Page Type: trope
The colour blue is associated with many things: virginity or purity in general, masculinity (and oddly enough, femininity as well), sadness, serenity, the sky, water, sadness, heroism, and on the Internet, hyperlinks. Another thing it's associated with is cold temperatures, and this is what this trope is about.
If a water tap has blue on it, it's pretty much guaranteed to produce cold water unless there is a flaw in it somehow. Anybody who feels cold (provided they're not having fever-chills) will immediately become blue in the face (and in wackier cartoons, blue in the everything, which may or may not include hair). Thermometers, especially in cartoons, might show temperatures below a certain point (e.g. ten, zero, etc) with a blue line (not usually true in real life— with real thermometers that have a line, it's usually red no matter what the temperature). Ice and occasionally snow might be shown with a bluish tint, and anything representing ice will be light blue. Even if the ice itself is not blue, if something or somebody is contained within it, they will have a blue tint. Characters whose jobs/powers/etc have to do with ice, cold, or winter (for example, An Ice Person, the ice part of a Fire/Ice Duo, etc) will tend to be blue or have blue clothes. Often, if a flame is blue, it will be cold, even though in real life, blue flames are hotter than normal ones.
Some Truth in Television to this: ice may look slightly blue depending on the lighting, and due to the altered blood flow that being cold often brings on, people might look a bit blue (especially in the face and/or extremities), though not to the extent that's found in cartoons. While thermometers might not work the way they do in fiction, water taps will often actually be painted blue if they produce cold water.
Please note that saying, "Played straight for X, averted for Y" is probably not necessary because blue is such a common colour that it's common for one blue thing to represent cold and another to not. However, "played straight for X, downplayed/zigzagged/etc for Y" may be useful. Use your best judgment. Interesting fact: blue is sometimes classified as a "cold colour" by artists. Due to the trope Ice Magic Is Water, this is related to the Water is Blue trope linked to above. Do note, however, that water will generally be shown as blue in illustrations and cartoons even if it's not cold. Contrast Fire Is Red.
Examples open/close all folders
- In JoJo's Bizarre Adventure: Vento Aureo, Ghiacco, whose name means "Ice" in Italian, has blue hair and his alter-ego, White Album, can freeze things and control ice.
- The Batman villain Mr. Freeze wears a refrigerated suit of armor and has pale skin. It varies depending on the depiction, but usually his suit is blue and occasionally his skin will have a blue tint.
- The Flash:
- Captain Cold is a villain with a blue and white outfit.
- One iteration of Killer Frost has blue skin and clothes, as does Icemaiden.
- Tora "Ice" Olafsdotter wears blue.
- One Superman comic features Cythonna the Kryptonian goddess of ice. She can create monsters from frost and generate ice, and has blue skin and clothes.
- In Frozen, Elsa has ice powers and generally wears blue.
- In Hercules, Hades has blue fire instead of hair that is usually blue and cold unless he's mad, at which point it turns into normal fire.
- In The Incredibles and its sequel, Frozone has ice powers and wears a light blue and white super suit.
- In Moshi Monsters the Movie, Poppet's pet, Mr. Snoodle, turns blue when he's travelling with Poppet, Katsuma, and another pet named Blinki on a snowy mountain.
- In Rise of the Guardians, Jack Frost wears a navy blue hoodie.
- In the Conan the Barbarian story "Gods of the North", a girl's body suddenly is wrapped in a "cold blue flame".
- In The Dark Is Rising, Hawkin summons nine magical flames that burn blue and are cold instead of hot. They represent the power of the Dark and the spells of the Deep Cold.
- Dream Park, features a pit that has normal fire on one side and cold, blue fire (known as "anti-fire") on the other which turns the ashes into fuel for the normal fire.
- In Good Omens, the Metatron is sort of God's second-in-command and is seen wrapped in blue flames that are said to be cold.
- In Call of Cthulhu, "The Madman" features a bluish-white flame that generates cold air during a ceremony.
- The original series frequently uses blue as a secondary color for characters associated with the ice element. This is seen with Matoro, Kopeke (in his original design), Thok, Kazi, Strakk, Metus, and Gelu. Additionally, most ice-themed characters on Mata Nui and Metru Nui have Icy Blue Eyes, such as Kopaka, Nuju, Kohrak, Ehrye, and Keerakh.
- The 2015 reboot once again uses blue as a secondary color for ice-themed characters, such as Kopaka, Izotor, and Melum. These characters also have Icy Blue Eyes.
- In one of The Addams Family games, Wednesday is frozen and turns blue.
- Chantelise: Freezing spells (along with water spells) are cast by blue elemental crystals.
- In Epic Battle Fantasy, ice monsters, weapons and skills all have some blue related to them.
- Fortune Summoners: Played with. Sana usually wears blue and is the one to cast ice magic, but she wears blue because she's a water mage.
- In Kingdom Hearts, Hades from Hercules appears, although there is no reference this time to his default blue flames being cold.
- Kirby Star Allies has a Blizzard element, which is blue.
- The Legend of Zelda:
- In "Ocarina of Time", there are magical, bottled, blue flames which are said to provide "refreshing coolness".
- The blue flames return, with the ability to freeze things, in "Spirit Tracks".
- In "Breath of the Wild", Naydra is an ice spirit who takes the form of a dragon with blue icicle-like spikes.
- In Metroid: Fusion, the light blue X parasites freeze Samus solid for a few seconds.
- Mortal Kombat: Sub-Zero, who has inherited ice powers, usually dresses in light blue. His pupil Frost also has blue clothes and ice powers.
- Moshi Monsters: The Wistful Snowtots are living snow men who wear blue hats and scarves.
- Pokémon: The Ice Type's theme colour is a very light blue as is ice in general.
- Undertale has an ice town called Snowdin, which has a somewhat blue theme.
- In A Very Long Rope to the Top of the Sky, the tundra features blue dogs called Frostbites.
- In Warframe, Frost has the power to create avalanches and freeze people. His armor is blue and white.
- In World of Warcraft, the torches and braziers in Ice Crown City burn with blue flames. In the fight with the first boss Lord Marrowgar, he throws these flames and calls them Coldflame; they deal frost damage to anyone who stands in them.
- In How to Kill a Mockingbird, the mockingbirds are "on cold fire" which is represented as blue flames.
- Ice is generally drawn as white or clear with a sky blue tint.
- Taelia is a faerie who lives on the top of the icy Terror Mountain, sometimes referred to as the Snow Faerie, and she has blue feathers at the tips of her wings and wears a blue parka and blue lipstick.
- Adee hangs out in the snow, eats a lot of ice cream, and wears a blue snowsuit and hat.
- Zigzagged for Avatar The Last Air Bender: Waterbenders wear blue clothes and while that could just be the water association, they also tend to live in the cold.
- In Ben 10: Alien Force, Big Chill is a blue alien with ice powers.
- In Engie Benjy, the titular mechanic owns a thermometer which has different colors representing the different levels of temperature. Blue is the coldest.
- In the Martha Speaks episode "Verb Dog, When Action Calls", Martha dreams that her friends have superpowers. Alice has ice powers and she wears a blue jumpsuit.
- In the My Little Pony: Friendship Is Magic episode "A Bird in the Hoof", Philomena (the titular bird) turns blue on purpose to communicate that she's too cold.
- In Steven Universe, Sapphire is a Gem with a blue color scheme who can freeze things, but only when she's very emotional.
- In the Tom and Jerry episode "Snowbody Loves Me", the snow has a blue tint and when Jerry is frozen, the ice that surrounds him is completely blue.
- In Voltron: Legendary Defender, the Blue Lion has the ability to generate ice breath.
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