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Blue Is Heroic

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What a fantastic color!

"Do you see it, Zamasu? The future...THE FUTURE IS BURNING BLUE!!"
Future Trunks as he prepares to defeat Zamasu with his new Laser Blade technique, Dragon Ball Z Abridged

While a lot of heroes tend to use red as their primary or differentiating color, there is another color that is used arguably just as often: blue.

While red is usually used to convey a hero of active action and energizing leadership (usually out of its association with fire), blue on the other hand usually conveys one that is more down to earth, cool-headed and may use their wits and intelligence to lead others (usually out of its association with water).

Where red gets associated with heroes because it's passionate and intense, blue gets associated with heroes because it's trustworthy and resolute.

Blue, especially the lighter-to-medium tones or combined with white, is often associated with calmness, kindness of heart and connection with the heavens, making it one of, if not the most common color to convey good. Thus, when the hero and the villain are color-coded to differentiate them from one another, the hero usually gets blue in some form (ironically enough, villains get red instead).


Another common way of invoking this trope is by, rather than applying the color to the costume, doing it in other iconic features, like Frickin' Laser Beams, Battle Aura, Laser Blade, Sword Lines, Sword Beam, and other forms of Power Glows. This is particularly common in anime, where color coding using the costumes is not used that often. Sometimes, also portraying the hero in an Unnaturally Blue Lighting has a similar effect.

In Video Games that involve some kind of team work (either with other human players, NPCs or controlling all the units directly), blue is also usually the to-go color to indicate the party controlled by the player, in contrast with red for enemies and green/yellow for allies. Specially if said party is supposed to be a heroic one.

May overlap with You Gotta Have Blue Hair in Japanese media, Pink Girl, Blue Boy for contrasting a male hero with his Love Interest, and True Blue Femininity in heroines.


A Sub-Trope of Good Colors, Evil Colors.

When Blue Is Heroic and Red Is Heroic are both applied to the same character you get a Primary-Color Champion.

A Sister Trope to Water Is Blue, Heavenly Blue and Red Is Heroic.

Compare Innocent Blue Eyes, Red Oni, Blue Oni, Heroes Prefer Swords, Color-Coded Characters, Purple Is Powerful and Law of Chromatic Superiority.

Contrast Creepy Blue Eyes, Occult Blue Eyes and Blue with Shock.


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    Anime & Manga 
  • Most of the heroes from the Dragon Ball franchise usually portray their Ki Manipulation with this color (Although occasionally some studios have used yellow instead). The most iconic examples, the legendary Kame Hame Ha wave, which is always this color, as well as the Spirit Bomb.
    • The appropriately-named Super Saiyan Blue form achieved by Goku and Vegeta along with their fusions Gogeta and Vegito in Super gives off a vibrant electric blue aura, as well as turning their hair blue. It is the most powerful Super Saiyan transformation to date, outclassing their famed Golden Super Mode forms of Dragon Ball past.
    • Goku's Ultra Instinct form also shows this trope. While Goku's hair and eyes become white-silver, his aura, albeit different in shape from all of his previous ones, still features an intense, saturated blue color, as well as all of his ki attacks. The point is pushed further during his fight agains Jiren, who has an almost identical aura, but colored red.
    • Vegeta wears either blue and white armor or a blue jumpsuit. He was initially an aversion of this trope but played it straight after his Heel–Face Turn.
    • Future Trunks has either blue or lavender hair depending on the media and wears an indigo Capsule Corp jacket. During the Cell Saga, he wears blue armor just like his father Vegeta.
    • While her wardrobe has varied throughout her appearances, Android 18's first and most iconic outfit includes a blue denim vest and skirt.
  • The title character of Nausicaä of the Valley of the Wind usually wears a blue dress and boots.
  • Shinji Ikari, the main protagonist from Neon Genesis Evangelion, whose pilot suit is blue in contrast with the other pilots (white for Rei, red for Asuka, black for Kaworu and pink for Mari). When it comes to the main trio of the pilots, Shinji is the most levelheaded one (though he is also somewhat ineffectual due to his timidness), compared to the action-oriented and passionate but also impulsive Asuka, and the cold and logical Rei who is also completely obedient and lack any instincts towards self-preservation.
  • One Piece:
    • Luffy The Hero wears blue shorts along with his red top being a proud Primary-Color Champion as well wearing all blue in the Sabaody arc. Though it's mostly subverted with Luffy as he is more closely associated with red.
    • Paulie wears blue and is the most heroic of the Water 7 foreman.
    • Sabo wears a blue shirt and loose light-blue pants, he's a Nice Guy.
    • Zigzagged with Kuzan aka Aokiji "The Blue Pheasant" on one hand he's a pretty chill Nice Guy but he's also a powerful former Admiral of the sea and was the first character to utterly curb stomp the Strawhats and was still an antagonist for a lot of the series.
    • The same subversion goes for a lot of the Marines whose signature color is blue and do want protect the world form Pirates but also work for The Government who is evil. So only the likes of Smoker, Coby and Garp (who all wear blue) play this straight.
  • Vince in Pikaia, down to the color of his BMS. He's the type of hero who has to rely on intelligence and kindness just as much as strength.
  • Pokémon: The Hero Satoshi/Ash is very much associated with the color blue:
    • He wears a blue jacket/shirt and blue jeans as his main outfit of the original series.
    • His Diamond & Pearl outfit is a black top with very blue pants.
    • His Best Wishes outfit is a blue top with black pants.
    • In X & Y, he wears a blue jacket again.
    • In Sun and Moon, he wears a blue and white t-shirt.
    • Ash also gets a color-coded blue Ultra Guardian suit in Sun and Moon.
  • Seiya from Saint Seiya, whose Cosmos and attacks all glow in this color. The Pegasus armor usually gets a blue hue as well, which is specially prominent in the manga. The anime tends to go for a Primary-Color Champion by mixing with some red clothes under the armor and some yellow ornaments. Seiya does play the trope more straight at the climax of the Asgard saga when he dons the Odin Robe, which is all a crystal blue with dark blue clothes underneath.

  • One of the central figures in Raphael's The School of Athens, Aristotle, is cloaked in a vibrant blue that marks who the Philosopher is in this assembly of great and holy minds.
  • Blue is also the signature color in Christian art for Mary (see Mythology), part because blue paint was very expensive before chemical dyes (made by ground up lapis stones), and artists wanted to make sure the top-shelf paint was reserved for her.

    Asian Animation 
  • In Pleasant Goat and Big Big Wolf, Kid Hero Weslie is associated with the color blue. He wears blue shoes and, in later seasons where the characters' shadows are color-coded, has a blue shadow.

    Comic Books 
  • Batman sometimes has a blue batsuit (especially the cape and cowl) in some iterations. He tends to be more... stable, when he's depicted in that one (albeit not always).
  • Despite his name, superhero Black Lightning's costume sports a dark blue costume with prominent bright blue trims.
  • The Blue Lantern Corps are allies to the Green Lantern Corps, and their rings are powered by Hope. Blue Lanterns are also considered the most powerful of the 7 Lantern Corps.
  • Captain America. Albeit his costume is supposed to represent the American flag, blue is by far the most prominent color. This helps to drive home his straight leadership in The Avengers.
  • His fellow Avenger hero Hawkeye even wears a combination of blue and (royal?) purple, but does not that often appear in a leadership role.
  • In Elseworld's Finest: Supergirl & Batgirl, both title heroes wear blue: Supergirl's outfit is sky-blue and Batgirl's suit is dark-blue (and her first Batgirl costume was indigo).
  • The Fantastic Four. Full stop. All four heroes wear iconic blue skin-tight jump suits. They started out with sky blue suits offset by black gloves and boots, under John Byrne they got dark blue (almost black) suits with white gloves and boots, and from then on the look changed again now and then.
  • A-Bomb, Rick Jones's mutated form, resembles the Hulk villain Abomination with the exception of being colored blue. Though he resembles the Abomination, A-Bomb is more heroic than his green colored villainous counterpart and is an ally of Hulk.
  • Nightwing's traditional costume uses a prominent blue trim, symbolizing his more level-headed attitude in comparison to Batman.
  • Superhero Power Girl wears buccaneer blue boots and gloves.
  • Spider-Man has a largely blue costume, although the shade changed over time. In his very first appearance in Amazing Fantasy the costume was more red and black, but soon after the black (with blue highlights) became blue (with black shading). It should be noted that in his darker days, he has been known to wear a black costume to reflect just how mean he's gonna get.
  • Superhero Supergirl wears a female version of the Superman costume. She has worn many different costumes through the decades, but they are always blue (with two exceptions: one of the Linda Danvers' outfits and her Red Lantern uniform). In Krypton No More she wears her "hot pants" seventies blue costume.
  • As part of his Primary-Color Champion status, Superman's suit is prominently blue. Specially after the New 52, where he dropped the red underwear. Although the big red cape is just as prominent, the blue suit conveys more Superman's gentle and kind nature. A Fan Nickname for Superman is "The Big Blue Boyscout".
  • Superboy may be less of a boyscout than Kal-El but from his first breaths he was most interested in saving people than anything else and within his first month of life he was already risking his own life and powering through debilitating pain and injuries to help others. His association with blue died down following his resurrection however.
  • Zig-zagged in The Snow Cat Prince. Syv and his six older brothers are all cats with blue and white fur, but Syv is the only one who went on the quest for the betterment of their kingdom.
  • Wonder Woman
    • The titular superhero's secret identity Diana usually wears either blue briefs or a skirt.
    • Donna Troy wore blue shorts as superhero Wonder Girl. Her successor Cassie Sandsmark wore blue jeans as part of one of her costumes.
  • Aquaman has its hero characters often wear blue.
    • The titular character wore blue in a miniseries during the 80s.
    • Garth the original Aqualad, wore blue shorts originally. His depictions in the Teen Titans and Young Justice animated shows had him wearing black and blue despite his outfit in the comics being red and black. He currently wears blue in the comics following the New 52 reboot.
    • Lorena Marquez, the second Aquagirl, wore a blue outfit.
  • The Blue Marvel even uses "blue" in his superhero name.
  • Blue Devil is a stuntman turned crime-fighting demon with blue skin.
  • Leander from Democracy is The Hero of the story and he wears a blue loincloth.

    Fan Works 
  • Lady Delphine is sometimes called "the woman in blue" due to her choice of dress, and she is the Big Good of New Orleans in The Bug Princess.

    Films — Animation 
  • In Aladdin, the creators intentionally used the color blue to symbolize good characters (primarily Jasmine and the Genie), opposed to red for evil (Jafar and Iago) and purple for "good, but flawed" (Aladdin, Abu). Most overtly, the Genie turns from blue to red when under Jafar's control, and when Jafar himself becomes a genie, he's bright red.
  • Belle from Beauty and the Beast wears a blue dress throughout most of the film and is able to turn the Beast into a better and kinder person.
  • Played with in Cars. Strip "The King" Weathers is a racing champion painted in all blue, who has many fans and is a very nice guy. However, he is not the main character- that role belongs to Lightning, who is painted red.
  • Coraline: Coraline's natural hair color is brown, but invokes this by dying her hair and painting her nails a dark blue. Most of the different outfits she wears in the film have some level of blue in them, with one snazzy outfit exaggerating this, with bright blue boots and glow-in-the-dark blue stars on her shirt.
  • Dory from Finding Nemo is a blue tang fish who helps Marlin well... find Nemo, and is the protagonist of the film's sequel.
  • Frozen: Elsa's primary color scheme is blue and despite her aloof nature, she's quite kind-hearted.
  • Hercules:
    • Athena has blue skin and is associated with this color in general. Though she is basically a background character in the movie, the animated series depicts her a Stern Teacher to Hercules.
    • The titular hero himself wears a blue cape.
  • Sulley from Monsters, Inc.. has light blue fur with purple spots.
  • The Incredibles: Mr. Incredible starts out wearing a blue and black costume before switching to red. Frozone has a white and blue suit that he is seen wearing at the beginning of the film and again when fighting the Omnidroid along with the Parrs.
  • Rodney Copperbottom in Robots has a blue color scheme and serves as the main protagonist and hero.
  • Played with in Wreck-It Ralph. Fix-it Felix Jr., the adorkable Nice Guy is dressed all in blue, in opposition to Ralph's red. In the Fix-It Felix Jr. game, they're The Hero and the Big Bad respectively. However, the story of the movie itself is about Ralph trying to move away from his role as a villain and trying to become a hero of his own. Felix, on the other hand, moves to a Lancer role, but without losing any of his heroic traits.

    Films — Live-Action 
  • 300: Rise of an Empire: The Athenians wear blue capes in a stark contrast to the Spartans, and serve as protagonists of the movie.
  • The Noble Savage Humanoid Aliens Na'vi from Avatar are blue skinned.
  • Bright: Agent Kandomere wears a stylish blue suit and literally has blue hair and serves as the story's Big Good.
  • Evil Dead: Ash Williams, the main Anti-Hero of the series, is almost always shown wearing a blue shirt.
  • Zig-zagged in Jurassic World with Blue the Velociraptor. Blue has a blue color scheme, but isn't exactly heroic. However, that's because of her and her sisters' natural predatory instincts, not out of pure evilness. Blue and her sisters turn on the humans, but don't try to hurt Owen. And when confronted with the I. rex, she and her sisters fight it off to protect Owen.
  • Marvel Cinematic Universe costumes many of its heroes in blue:
    • Iron Man 2: Black Widow wears a dark blue Spy Catsuit.
    • While the costumes of one of the founding Avengers, Captain America have red and white elements, blue is his signature color. However his costume in Avengers: Infinity War is very dark signifying his fall from grace since Captain America: Civil War.
    • Avengers: Age of Ultron: Quicksilver (who has a blue aura and clothes) subverts this for half the movie but plays it straight after his Heel–Face Turn. He even makes a Heroic Sacrifice. His sister Wanda wears red.
    • Spiderman Homecoming: Downplayed. Spiderman's suit is mostly red with some blue, but when he is casually dressed as Peter Parker he wears blue similar to how comic Peter dresses. In Avengers: Infinity War, his new suit is red with some black and no blue elements at all.
    • Thor: Ragnarok: Loki briefly wears a blue costume to blend in better on Sakaar, but is primarily featured in it in promotional materials (posters, art books e.t.c) after Avengers: Infinity War whenever they need to refer to his more redeeming side. Thus in the "Marvel Studios Visual Dictionary" he is dubbed "villain and hero" and shown in green to the left (as a villain) and in blue to the right (as a hero).
    • Black Panther: The Border Tribe wear blue capes and serve as guardians for Wakanda's borders, while their leader W'Kabi served T'Challa as his best friend and second-in-command. Inverted when they all willingly side with Erik Killmonger (who also wears blue)'s genocidal scheme and become his mooks in contrast to the Dora Milage in their red attire, whom serve whoever is king out of duty and clearly dislike serving Killmonger. This was intentional as Klaw wears blue as well, Ryan Coogler wanted blue to symbolize corrupt law enforcement.
    • Captain Marvel: The titular character has two costumes: the "evil" one is mostly green and the "heroic" one is mostly blue with some red elements and golden decorations.
  • Deconstructed with Andrew Clark from The Breakfast Club. He can be cynical and once played a harmful prank on a kid, but he regrets doing it and stands up to Brain and Claire whenever John Bender bullies them and also shows comfort to a crying Alison.
  • The Master of Disguise inverts this, as it's actually the villainous Devlin Bowman whose surroundings are often lit with blue lighting, and he wears blue shirts under his white suits. Word of God was that this was a stylistic choice to have scenes with Bowman feel cold and menacing (as opposed to the Disguiseys' world which had lots of warmer colors like red and gold).
  • Probably the most iconic example in the medium is the blue lightsaber from the Star Wars series, usually associated with the Jedi, in contrast with red lightsabers for the Sith. With the exception of Return of the Jedi, when green was used instead due to technical difficultiesnote , the main heroes have always used a blue one more often than not.
    • Played with in the prequel trilogy with the the laser beams from the clone army, and during the Anakin vs Obi-Wan duel. Considering how blue is used prominently as the color of good in this series, this helps to establish the morally messed-up situation of the Clone Wars. Especially in the duel. General Grievous, who is absolutely evil, uses blue and green lightsabers, but this is justified by the fact that he takes these from the Jedi he kills. In fact, he has a whole collection of them.
    • Subverted in a crapload of non-movie material. Lightsaber blades come in many colors, not just blue, green, or red. Yellow, orange, gold, even black and white have been seen in the novels, comics, video games, and television series.
  • The Allied Nations troops fighting against a dictator in the live action Street Fighter film have blue helmets and gear.
  • In the TRON universe, the User-believer (heroic) Programs (and protagonist Users) have bright cyan Tron Lines. Becomes a plot point in the filmed sequel where after being Reforged into a Minion, Tron's circuitry is bright red. When he breaks free of Clu's corruption, his circuits revert to their original blue
  • Troy has the Trojans identified primarily with blue colors in contrast to the Achaeans who favor grey. Played with in that they are hero antagonists trying to defend their homeland from conquering invaders, that just so happened to be our protagonists.
  • X-Men Film Series: Blue is commonly tied to gentleness, tranquility and intelligence, which are the hallmarks of Professor Charles Xavier—the franchise's Big Good—so naturally it's part of his Color Motif. Fittingly for a man with an androgynous disposition, blue is also linked to masculinity and femininity; his parental authority is rooted in the blend of his Team Dad and Team Mom aspects. In his very first on-screen appearance, he wears a blue suit. In X-Men: First Class, Charles is introduced as a scholarly kid in blue-and-white pajamas whose instinct is to be charitable towards a starving mutant girl, laying the foundation of his future ascent into an All-Loving Hero and a Guile Hero. As an adult, blue is routinely incorporated into his apparel, and he's the Allegorical Character for serenity. In X-Men: Days of Future Past, his past self is subjected to a Palette Swap that marks the return of his familiar blues and greys to designate that he has taken up the mantle of being a hero again. In X-Men: Apocalypse, he's only garbed in blue after he concludes his transition from a schoolteacher to a leader of mutantkind.
  • In Godzilla: King of the Monsters, the heroic title character's Breath Weapon is blue, and he often radiates a blue glow, with blue lighting often foreshadowing his arrival. The movie also emphasizes Godzilla's aquatic nature, with a lot of blue-tinted underwater scenes. Notably, when he is in danger of melting down and destroying all of Boston, the blue changes to a fiery, volcanic red, signaling that he is no longer a protective force, only changing back to his signature blue when he regains control. Likewise, Godzilla's ally Mothra has a peaceful bluish-green glow as her Color Motif.

  • Harry Potter series:
    • Played straight in most aspects of the series, like the Weaselys' turquoise flying spider smashing car, Dumbledore's electric blue eyes and Hermione's dress at the Yule Ball. Harry also tends to wear blue in the films when not in his Hogwarts robes. Fleur and Madame Maxime, who dress in blue in accordance with the uniform of the Beauxbatons Academy of Magic, help the Order of the Phoenix.
    • Subverted mostly with Ravenclaw House from Harry Potter (whose signature color is blue), though: while certainly not villainous, and containing heroic characters such as Luna and Professor Flitwick, their house's main values are not nearly as heroic as those of Gryffindor (bravery) or Hufflepuff (kindness and hard work).
  • The sword Sting from The Hobbit and The Lord of the Rings, which glows blue when orcs are nearby. It was wielded by the main heroes of both books. And of course, this was carried over to the film adaptations.
  • The Stormlight Archive:
    • The Windrunner Radiants have blue Tron Lines on their armor and weapons, and their eyes turn blue if they've used their powers recently.
    • House Kholin, the most heroic of the ten Alethi princedoms, has blue and silver as their colors.

    Live-Action TV 
  • Generally inverted in The Flash (2014). In contrast to the Flash's red motif, blue is usually reserved for villainous characters; Zoom's Super Speed-induced lightning has turned blue from his abusing Velocity drugs, Savitar has a set of Powered Armor with blue Tron Lines, and Clifford DeVoe's personal pocket dimension is illuminated with blue light. Caitlin's transformation into Killer Frost is highlighted by her wearing predominately blue clothing.
  • Game of Thrones: Daenerys Targaryen, known for her valiance, kindness, and will of steel, dons blue in many of her iconic scenes. Additionally, her actress has lovely eyes of the same color.

  • The heroic god Vishnu and his avatars from Hindu Mythology are blue skinned.

  • The Virgin Mary is typically seen in blue in apparitions. Our Lady of Fatima (1917) appeared to the children wearing a gown and mantle of white with gold trim and a crown. Our Lady of Lourdes (1858) appeared to Bernadette wearing a simple gown and mantle of white with a blue sash. Our Lady of Guadalupe (1531) appeared to Juan Diego wearing a gown of rose and a mantle of blue with gold stars. Blue has been a color associated with royalty, peace, and nature.

  • In this television promo which was aired in Canada, Canadian figure skater Roman Sadovsky is wearing a royal blue shirt, plus the background lighting is blue, and the light which reflects off the ice surface has a blueish hue. Since the late 1980s, Canadian men's singles skaters who become world champions note  are greatly admired and respected as sports heroes within that country. After Patrick Chan's retirement following the 2018 Olympics, a Canadian TV network advertised young male skaters who may have the potential to become Chan's successor, so the blue theme in the video segment conveys to the audience that Sadovsky is a possible future skating hero.
  • Nam Nguyen also receives the same treatment, although he's dressed in a navy blue cardigan.

    Tabletop Games 
  • In Warhammer 40,000:
    • The Ultramarines, lauded as the most honorable of Space Marine Chapters, have — guess — ultramarine shade of blue as their primary color.
    • Inverted with Tzeentch, whose main color is blue and who's a Smug Snake-esque God of Evil.
    • The World Eaters, now feared as a force of Ax-Crazy Blood Knight berserkers, used to be gray-blue before their Face–Heel Turn. Their armor is now entirely red and brass, the colors of the Blood God Khorne. In-universe, it's rumored to symbolize or even be the blood of their victims that they never washed off.
    • The Space Wolves, among the most heroic (by modern standards) Chapters, have armor that's somewhere between light blue and grey.

  • The colonial soldiers in Hamilton, as befitting the colonial setting. The Continental Army wears blue uniforms with tan accents, while the Redcoats wear, well, red.

    Video Games 
  • In the single-player campaigns of the Age of Empires series and its spinoff Age of Mythology, you always control a blue army. The one exception is in one of Arkantos's dreams.
  • The Knights of Justice from Black Moon Chronicles use blue everywhere, to the point where they all use You Gotta Have Blue Hair in a Medieval European Fantasy.
  • Castle In The Darkness: The protagonist is a knight in bright blue armour out to save the Kingdom of Alexandria from monsters.
  • * Castlevania series:
  • Kasumi, main heroine of the Dead or Alive franchise. Her most iconic outfit is a blue kimono. Helena, the Deuteragonist of the series, also has some blue outfits in her wardrobe.
  • Dragon Age: Despite their name, the Grey Wardens wore blue-colored uniforms posteriorly from the second game onward, which is ironic because they wore grey/brown outfits in the original game. In either case, the Wardens serve as one of the greatest defenders of Thedas against the Blight masses. However, the lengths they are willing to go are can easily force them to go into Knight Templar territory.
  • Just like in the anime The Z-Fighters in Dragon Ball games like Budokai, Budokai Tenkaichi and Xenoverse have Blue-Ki and Battle Aura for for their attacks and Dragon Dash (fast flight). This only changes if it's Kaioken/Super Saiyan transformation which changes the aura and Ki red/gold or if it's the villains (or Buu race) who have purple aura.
  • Devil May Cry: While blue-clad Vergil inverts this trope due to being a villain, his son, the demon-fighter Nero in Devil May Cry 4 and 5 plays it straight, since he favors blue in both costumes and motifs unlike Dante.
  • Dragon Age:
    • The formal uniform of the Grey Wardens is blue and white. How heroic they actually are can depend on circumstances and point of view, but they're intended to be traditional fantasy heroes.
    • In Dragon Age II, if Hawke is a female mage, they can acquire a set of robes in an unusual shade of teal blue. If Hawke is not a mage, and their sister Bethany goes to the Circle of Magi, she wears the same robes. In either case, the mage in question is extremely gifted and adept with her powers, and largely regarded as a very heroic figure by the people.
  • Elsword: Chung, one of the playable characters, is color coded with blue, and unlike the main protagonist Elsword, Chung is more heroic, noble, and innocent (being a prince helps).
  • Final Fantasy:
    • Cecil Harvey The Hero and Edge Geraldine a Ninja from Final Fantasy IV.
    • In Final Fantasy V Bartz Klauser and his father Dorgann have blue as their main color, Alexander Highwind Tycoon has a big cloak and is quite heroic. Subverted with Exdeath who wears the most blue in the game but is still the Big Bad.
  • The Fire Emblem series:
    • With a couple of exceptions, the main protagonist is always depicted with a distinguishable blue hair, with blue clothes to boot. In addition, the player's units are color-coded blue to contrast the enemy's red. This trope applies since most of the player kingdoms or factions are usually on the good side.
    • Marth, the protagonist of the first game becomes the best example of the franchise, as he has blue hair and outfit, and is also unambiguously one if not the most heroic Fire Emblem protagonist. His design becomes standard for most of the protagonists of the following games.
    • Being a descendent of Marth, Chrom from Fire Emblem Awakening also has blue hair, and his outfit is also predominantly blue with white accents. While a more complicated character than his ancestor, he is still a heroic man. The same goes for his daughter, Lucina, who even adopts the name of "Marth" when disguised, as well as any other children he sires, who all inherit his blue hair.
    • Byleth, the protagonist of Fire Emblem: Three Houses, has blue hair and eyes, and, while very quiet and sullen-seeming, is a Badass Teacher who looks out after their students and the soldiers they lead. Their hair and eyes changes to pale green about halfway through the game.
  • The titular hero of Ginger Beyond The Crystal has blue skin.
  • Gradius: While the Vic Viper is predominantly white, the snake-themed fighter has blue accents on its wings, dorsal tail, and prongs. In some games, its usually orange Options will also be colored blue. Either way, the Vic Viper is a heroic fighter whose pilots (James Burton being the first to pilot the Vic Viper) battle the Bacterions for countless generations, ensuring peace for planet Gradius and the universe after each victory.
  • Guilty Gear:
    • Ky Kiske is primarily associated with blue and he's the more straight-up heroic (to a fault) out of the two main protagonists.
    • Ky's son Sin plays this straighter than his dad being more innocent.
    • There's also Axl Low who's a time traveling pacifist and Vemon a noble and compassionate assassin who wears blue with his white.
  • In Highborn, the Highborn army and buildings they control are blue. It's even Lampshaded by some of the characters, who occasionally say something to the effect of "Oh, he's blue, so he's on the Highborn side". When you play as the Decay in the third chapter, they become blue and the enemy Highborn become red instead.
  • Mortal Kombat: Several heroic fighters are associated with the blue color:
    • Raiden, the Thunder God protector of Earth is dressed in both white and blue. When he goes the Knight Templar route, he ditches these colors for black and grey.
    • Johnny Cage often wears blue and black pants. Sometimes he will wear suit with blue.
    • Kurtis Stryker wears blue as part of his cop uniform.
    • Princess Kitana is also dressed in blue. Although she is introduced as one of Shao Kahn's minions, she turns on him and aids the Earthrealmers.
    • The second Sub-Zero, in contrast to his older brother and predecessor, is devoted to defending Earthrealm alongside its champions.
    • Nightwolf's outfits in Mortal Kombat 3 and Mortal Kombat 11 give him a predominately blue palette.
    • Takashi Takeda from Mortal Kombat X has a blue techno ninja suit.
  • Ninja Battle Heroes: Hero Protagonist Saizo Kirigakure, has a blue outfit.
  • Onmyōji: Seimei's default attire is mainly light blue and he has a kind, calm and level-headed, if not stoic personality.
  • In Blizzard games Overwatch and Heroes of the Storm, the player team is always blue, and enemies are always red. Yes, players from BOTH teams see themselves as blue. Which kinda makes it difficult to root for some teams on championships when they are colored red, since, when playing, you always want red to fail. note 
  • Pankapu: Pankapu's Wizard robe when he's equipping The Faith Aegis is blue, he has blue eyes, and he's the warrior created by Iketomi to stop the Hya'Nagi from invading.
  • The main hero from Persona 3 is associated with dark blue.
  • In PlanetSide 1, the New Conglomerate freedom fighters deck out all their equipment in blue trimmed with gold highlights. In comparison, the oppressive Terran Republic has black and red equipment and the fanatical Precursors-worshiping Vanu Sovereignty uses purple and cyan. Averted in the sequel which trends towards Grey-and-Gray Morality, where the NC are backed by Mega Corps and Private Military Contractors only in it for the profit margins, and the Terran Republic is a democracy forced into drastic measures.
  • This trope is frequently apparent in the Resident Evil franchise. Blue Umbrella from Resident Evil 7, unlike its predecessor, is about disposing bioterrorism instead of causing it, also they're colored white and blue to differentiate from red and white of the terrorist Umbrella.
  • Sparkster, the main protagonist of the Rocket Knight Adventures series, has a light blue armor which is put in contrast with his Evil Counterpart, Axel Gear, who wears a suit of dark purple armor (Red in the 2010 game, Rocket Knight), as well as the green armor of Emperor Devligus Devotindos' Pig Soldiers in the original game, and the purple armor of King Gedol's Lizard soldiers in the Genesis sequel, Sparkster: Rocket Knight Adventures 2.
  • In Skies of Arcadia, there are two factions of pirates: Blue Rogues and Black Pirates. Despite both of them being in Black-and-Gray Morality, the members of the former act more like heroic Robin Hood and only plunder armed ships, most of which belong to evil Valua Empire. They'll also spare lives if possible. In contrast, the Black Pirates attack their victims indiscriminately, and are straight up cutthroat evils. The heroic protagonist, Vyse, also has blue color scheme.
  • Sly Cooper wears blue clothing and his prime colour is also blue.
  • Sonic the Hedgehog. His blueness represents freedom and clear blue skies, as well as his generally easygoing nature. This is put in contrast with Eggman's redness as well as Knuckles' intense red and Shadow's red accents.
  • Raynor's Raiders in the StarCraft games are blue-armored (in the first one. You sometimes play as the red Sons of Korhal, but go back to blue once you leave them after their Face–Heel Turn).
  • Most of the main heroic characters in Super Mario Bros. have some blue on them, even if it's not their primary color. Although Mario and Luigi are mostly associated with red and green, respectively, both brothers wear blue overalls. Likewise with Princess Peach, who is mostly associated with the color pink, but she always wears her sapphire blue earrings and brooch.
  • Inverted in Supreme Commander, where the blue-painted UEF are the most morally ambiguous of the first three factions.
  • Andy from Venture Kid wears a blue shirt, and is trying to save the world from Dr. Teklov.
  • The Alliance campaign of Warcraft III gives you blue-armored units (unlike Warcraft II and Starcraft, there are no faction-specific colors).
  • In the web game Grow RPG, the non-playable heros wear a blue armor.
  • Tekken:
    • Jin Kazame wears a blue hoodie in Tekken 4 and Tekken 5 and is The Hero of both those games. Tellingly he stops wearing those outfits when he pulls a Face–Heel Turn in 6.
    • Steve Fox's outfits tend to be some combination of blue and red as a reference to the British flag.
    • Lei Wulong is a dedicated Interpol detective whose outfits include a blue changshan.
    • Zigzagged with Anna Williams. She's an assassin whose player 1 or player 2 outfits have been blue and not exactly a good person. However, she's generally more sympathetic and less evil than her sister Nina Williams and most of her stories have either trying to help Nina or trying to settle a score over something Nina started.
  • Puyo Puyo character Arle was the series' first major protagonist, and she still serves as a major hero in the later games. Arle wears a blue and white outfit.

In Homestuck, John Egbert, the protagonist of the story and the leader of the Beta kids, is titled Heir of Breath, and therefore wears blue "god-tier pyjamas" at almost all times. Throughout most of the story, he has one of the best moral compasses, is unfailingly helpful and loyal to his friends. However, in direct contrast Vriska is not very Heroic, despite having cerulean (i.e. blue) blood.

    Web Original 
  • The shield of the Knights of Fandom is blue and white. This is partly because they are situated on Tumblr, which uses the same color scheme, but it was also deliberately chosen for this trope.

    Western Animation 
  • Action League NOW! plays this straight with The Chief, the leader of the Action League, wearing a dark blue suit, but averts it with The Mayor, the series' main villain, wears a light blue suit.
  • Adventures of the Galaxy Rangers: The Series 5 team wear white and blue uniforms for the most part. Shane, the closest the team gets to an anti-hero, sometimes has an all-black outfit, however.
  • Finn of Adventure Time wears a light blue shirt and dark blue pants. Although he definitely has the sense of righteousness, his personality is pretty much the opposite of "calm".
  • Avatar: The Last Airbender franchise:
    • Blue is color of the Water Tribe, the nation with the greatest number of prominent heroic characters. In fact the concept of bad Water Tribe members only really comes to fruition (excluding Hama) with the Northern Water Tribe in the Sequel Series.
    • This trope is used to full effect in the Grand Finale of Avatar: The Last Airbender, in the scene where Aang takes Fire Lord Ozai's bending away, both enter in a Throat Light state, being Aang's light blue and Ozai's red.
    • Also in the The Legend of Korra, where the Avatar enters the Avatar State, their eyes glow light-blue. It was explained in Book 2: Spirits that this is the manifestation of Raava, the Spirit of Light, who is this color in opposition of Vaatu, the Spirit of Darkness, who is dark red.
    • Also-Also the titular heroine not only naturally wears the color because it's her homeland's, but even wears a darker blue than she previously wore in the latter half of Book 4 once she's properly back in action.
  • Inverted in Batman: The Animated Series; Two-Face's evil side is blue (changed to turquoise after the revamp), while his good side is normal.
  • Castlevania (2017): Sypha Belnades wears blue-colored robes like her fellow Speakers, and is a heroic scholar of magic (she is not a "witch").
  • The Dinosaucers all wear shades of blue and green in their armor, to contrast with the Tyrannos and their villainous red and orange.
  • DuckTales (1987):
    • Dewey, one of the nephews, almost always wears a blue shirt and cap, and is a friendly kid who tries to help out his Uncle Scrooge and his uncle's staff/friends.
    • Downplayed with Scrooge. He wears a dark blue coat with red highlights, and is better-natured and more upright than his comics incarnation; but, being a greedy grouch, he's also not your typical Disney hero.
  • Dynomutt, Dog Wonder: Blue Falcon is the city's superhero and fights bad guys dressed in an almost-entirely blue costume.
  • Downplayed with Blooregard "Bloo" Q. Kazoo, Mac's small, light blue imaginary friend on Foster's Home for Imaginary Friends. While he is still one of the show's main protagonists, he is extremely selfish, rude, and arrogant, often falling into Designated Hero territory. He seems to take a level in jerkass with every passing episode, to the point where he acts like a Villain Protagonist in several of them. Still, he has a few Jerk with a Heart of Gold moments, namely when he feels remorse for his actions and apologizes for whatever he's done.
  • Hanna-Barbera has Huckleberry Hound; a blue anthropomorphic dog who often plays a heroic role, or tries his best to perform heroic deeds, sometimes only succeeding through blind luck.
  • Jack the Explorer has blue skin and a blue spacesuit, and is a well-meaning (if misguided), curious alien who loves Earth and everything about it.
  • Superman. While he does have the red cape to signify "action", his costume is predominantly blue. In the intro to Justice League Unlimited, the background for Superman's card is blue. He's usually the voice of reason, especially when paired with Batman (dark red background), or even Wonder Woman, who wears a blue cape over her predominantly red costume.
  • XJ9 from My Life as a Teenage Robot “wears” blue “clothes” and is the main hero.
  • Rainbow Dash from My Little Pony: Friendship Is Magic who despite her Meaningful Name, the "rainbow" part only applies to her rainbow-colored mane and tail. The main color of her coat is blue. Similarly, the uniforms of the Wonderbolts, whom Dash idolizes and eventually joins, are primarily blue with lightning-styled gold trimming in the middle and right above each of the hooves. The manes of heroic royal characters, Princesses Celestia and Luna as well as Shining Armor, are defined by blues.
  • Perry from Phineas and Ferb is a blue furred platypus who is a secret agent working for the O.W.C.A. trying to stop Dr Doofenschmirtz from taking over Danville.
  • Porky Pig from Looney Tunes usually wears a blue robe around him thats goes with his Nice Guy personality.
  • Bubbles from The Powerpuff Girls wears a light blue dress. She is the sweetest and nicest of the three girls, and typically acts as if she were the youngest, despite the fact that there is no age gap between her and her sisters. However, as proven in the episode, "Bubblevicious", taunting her and calling her the smallest and the weakest is an easy way to get on her bad side.
  • Jet, Carrot, and Celery from Ready Jet Go! are easily the most kind-hearted characters on the show, and they all wear matching blue space-suits.
  • In Rugrats, Tommy Pickles, the unofficial leader of the babies, is usually seen wearing a light blue shirt. As part of his Primary-Color Champion status, his Cowardly Sidekick best friend, Chuckie Finster, wears a light blue shirt with a yellow and red Saturn on it.
  • Star Wars: The Clone Wars plays with this trope while playing it straight:
    • Straight: As in the movies, Anakin, Obi-Wan and a lot of the other Jedi wield blue lightsabers. Aayla Secura also has blue skin. And in the uncancelled season 7, Ahsoka's lightsabers, previously green and yellow, are blue when returned to her before the Siege of Mandalore.
    • Now, here's where the Playing with a Trope comes in:
      • As time goes on, the Separatists, whose military is certainly evil, gain an increasing number of blue-and-white-painted vehicles, whereas Republic vehicles tend to have a white-and-red colour scheme.
      • The 501st Legion, the most commonly appearing clone unit in the series, has blue markings as their unit colour. Now, while almost every individual member of the unit who gets characterization (Rex, Fives, Jesse, Kix, etc.) is heroic (except for the Lawful Stupid Dogma), Star Wars fans will be aware that, after the execution of Order 66, the 501st is led by Anakin/Vader to storm the Jedi Temple in Revenge of the Sith, after the clones' Manchurian Agent control chips have been activated. And increasingly, as the series goes on, the red-clad Coruscant Guard is shown as sinister, being the clones who, by the nature of being stationed on the Republic's capital planet, are the most often unwittingly directly helping to further Palpatine's evil scheme.
  • The main hero of Static Shock wears a blue longcoat and boots as part of his superhero costume.
  • In Supernoobs Tyler's battleball is colored blue, and his hair becomes blue when he puts on his battle armor, which he uses when leading the team in fighting against a virus threatening the planet.
  • Whyatt, the leader of the superhero group "Super Readers" from Super Why! wears a dark blue polo shirt and has blue eyes. While Super Why's outfit is primarily green, it does have blue accents.
  • Leonardo, the leader of the Teenage Mutant Ninja Turtles. His blue bandana (introduced in the 1987 series) is indicative of his calmness, spirituality and reliability.
  • Buster Bunny, the main protagonist of Tiny Toon Adventures, has light blue fur. He's generally The Leader and The Straight Man to the more wacky characters he deals with, though he can get wacky himself, too, considering the character on whom he's based.
  • While Autobot leadership and the Autobrand are defined by red in Transformers, most leaders are supported by composed, coolheaded lieutenants like Ultra Magnus, Strongarm, or Red Alert who are decked out in blue. Further, while many continuities portray Decepticons with red eyes, most give the Autobots calm, blue eyes.
  • Jim from Trollhunters, as a civilian and as the newest Trollhunter wears blue, and the Amulet he bears is blue. Averted with school bully Steve, who wears a blue polo. Also averted with the changeling Mr. Strickler, who wears a blue turtleneck in his human disguise.
  • Extreme Dinosaurs: Spike is a blue stegosaurus and is one of the titular heroes.

    Real Life 
  • The Trope Codifier is probably the wargame Kriegsspiel, which was developed as a teaching tool for Prussian army officers. Since the color of the Prussian uniforms was blue, it became the default color for friendly units and red the color for hostiles.
  • Americans portraying themselves as heroes in the Cold War will have the United States represented by blue mostly due to the Soviet Union officially using red to represent itself (red being the color of communism and all.) Mainly stems from the fact that the Soviet Union very clearly chose the color red for itself ("Red Army", its red flag, etc), while blue became the standard NATO designation for friendly units. Also, the U.S. armed forces since their inception have had an affinity for blue uniforms. As of the early 21st century, every branch has at least a blue dress uniform.
  • The UN Peacekeeping forces wear helmets of a bright blue color, which both invokes this trope and helps to immediately distinguish them from regular soldiers.
  • A lot of police forces around the world choose some shade of blue as the primary color for their uniforms. This dates back to the founding of the Metropolitan Police in London. There was a huge public opposition to having a government controlled force of men on the streets. In one of the earliest experiments with PR, the uniforms were designed to be Navy blue instead of Army green, which had the connotations of a defensive force rather than an occupying army.
  • In some langages, "blue" is used as a synonym for "good" in the context of fairy tale princes.
    • In Spanish, there's the term príncipe azul. It literally means "blue prince", but it's often used to mean "Knight in Shining Armor" or "Prince Charming".
    • The Italian language has an equivalent of this expression: "principe azzurro".


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