About Deep Sky Blue
Deep Sky Blue (deepskyblue) is a medium, vivid blue with the hex code #00bfff, or rgb(0, 191, 255). In HSL it sits at a hue of 195°, 100% saturation and 50% lightness. It is one of the 148 named colors every browser understands, so you can write color: deepskyblue; instead of the hex value.
Using Deep Sky Blue for text and backgrounds
| Pairing | Contrast ratio | WCAG |
|---|---|---|
| Deep Sky Blue text on white | 2.12 : 1 | fails |
| Deep Sky Blue text on black | 9.90 : 1 | AAA |
On a deep sky blue background, use black text (9.90 : 1). WCAG asks for at least 4.5 : 1 for body text and 3 : 1 for large text. Check other pairs with the Contrast Checker.
CSS
.element {
color: deepskyblue; /* or #00bfff */
background-color: #00bfff;
border: 1px solid rgb(0 191 255 / 50%);
}Similar named colors
Dark Turquoise (#00ced1), Dodger Blue (#1e90ff), Aqua (#00ffff), Turquoise (#40e0d0), Medium Turquoise (#48d1cc), Light Sea Green (#20b2aa).
Color Name FinderPaste a HEX code to get its closest human-readable name and clean token names for your CSS, SCSS, JavaScript or Tailwind config.
Open the tool Frequently asked questions
What is the hex code for deep sky blue?
#00bfff — that is rgb(0, 191, 255) and hsl(195, 100%, 50%). In CSS you can also just write deepskyblue.
Is deep sky blue text readable on white?
Its contrast ratio on white is 2.12 : 1, which fails WCAG — use it for decoration or on a dark background instead.
What colors go well with deep sky blue?
Its complementary color is #ff4000; analogous colors #00ffbf and #0040ff sit next to it on the color wheel.