| Name | Description |
|---|---|
| Aqua | Aqua means "water" in Latin, and had a very similar vein to Cyan. |
| Aquamarine | The birthstone for March, her name translates to "sea water" in Latin. |
| Azure | Azure's name is a misspelling of a Medieval Latin word, also a name for a heraldic tincture. |
| Baby Blue | A younger variant of Blue, who's been very sleepy. |
| Blue | One of the eleven basic color terms. He likes to go on journeys to other planets with his friends. As his proper name is "Blue III", his ancestors are Blue I and Blue II. |
| Blueberry | An apparently blue color which seems to be the closest thing to a berry in the botanical and culinary senses. |
| Cerulean | From the word caelum, which means "sky" or "heaven" in Latin, she may range from a light azure blue to a more intense sky blue. |
| Cobalt | Cobalt blue is the name of the pigment, while Cobalt is the name of the chemical element. |
| Cornflower | Cornflower refers to a blue flower. Despite the name, he is not related to corn. |
| Cyan | One of the primary colors of CMYK model, can occasionally teleport, and had an alter-ego under the name of Object Jordan. |
| Dark Blue | The darker variant of Blue, which is one that is closely related to Navy. |
| Glaucous | This color is used to describe the specific appearances of some plants and birds. |
| Indigo | His name is a term used for a number of hues in the region of blue, he's also the main purplish blue color. |
| Lapis Lazuli | A blue metamorphic rock prized for the intense color. |
| Light Blue | Just a lighter variant of Blue. What else can be said about this one? |
| Navy | A color that is a marine biologist from the depths of the ocean. "Navy Blue" is his proper name. |
| Periwinkle | Periwinkle likes to wrap around like that snail they've been flowering around. |
| Powder Blue | Powder Blue has been doing laundry in her spare time, named after some blue powder. |
| Sapphire | The birthstone for September. Not only he's blue, but can also come in various colors like pink and white, which complete the transgender flag. |
| Sky Blue | The usual color of the sky, especially during the clear daytime. Her proper name is actually "Sky Blue". |
| Slate Blue | The color of slate, except it's even more blue than usual. |
| Teal | A greenish-blue, lightweight color whose name comes from that of a freshwater duck. |
| Turquoise | One of the three December birthstones, she's been named after the mineral that came to Europe through Turkey. |
| Victoria | Also known as Victoria Blue. Victoria is name for a capital in two places: British Columbia and the Seychelles. |
| Zaffre | A deep blue pigment obtained by roasting cobalt ore, which hints a relation to Cobalt. |
| Zomp | A rare color character with a weird-sounding name. |