Deep Sky Blue
#00BFFFDeep Sky Blue is #00BFFF, rgb(0, 191, 255).
In CSS: deepskyblue
About Deep Sky Blue
Deep Sky Blue is the hex color #00BFFF, which translates to rgb(0, 191, 255) in RGB and hsl(195, 100%, 50%) in HSL. On the color wheel it sits at 195 degrees, with a saturation of 100 percent and a lightness of 50 percent. That combination gives Deep Sky Blue a saturated mid tone: strong enough for buttons and links, still calm enough for larger areas.
How Deep Sky Blue compares
Deep Sky Blue is exactly the CSS keyword deepskyblue, so you can write the keyword instead of the hex and get an identical result. In the Tailwind CSS 4.3.1 palette the nearest token is sky-400 (#00BCFF), at a distance of 2.3. Inside this library the closest neighbour is Cyan Blue at 7.2. Sorted by lightness, Deep Sky Blue is number 17 of the 30 blue colors here.
Text on Deep Sky Blue
2 of the five common text colors below clear WCAG AA for normal text on Deep Sky Blue, led by Ink black at 9.02:1. The ratios are computed with the WCAG relative luminance formula, the same one the contrast checker uses, which opens with Deep Sky Blue already loaded as the background.
| Text color | Ratio | AA normal | AA large | AAA normal |
|---|---|---|---|---|
| White #FFFFFF | 2.12:1 | Fail | Fail | Fail |
| Ink black #0F0F12 | 9.02:1 | Pass | Pass | Pass |
| Mid grey #6B7280 | 2.28:1 | Fail | Fail | Fail |
| Dark grey #374151 | 4.86:1 | Pass | Pass | Fail |
| Light grey #E5E7EB | 1.71:1 | Fail | Fail | Fail |
Building a palette around Deep Sky Blue
The pairings above give you three classic starting points. The complementary color sits opposite on the wheel and works well as an accent that draws the eye. The analogous colors sit right beside Deep Sky Blue for calmer, harmonious combinations. The triadic pair spaces three hues evenly for a balanced, energetic palette. Open any swatch to explore it as its own color, or open the palette generator with Deep Sky Blue locked and let it fill in the rest.
Full values for Deep Sky Blue
| Format | Value |
|---|---|
| HEX | #00BFFF |
| RGB | rgb(0, 191, 255) |
| HSL | hsl(195, 100%, 50%) |
| HSV | hsv(195, 100%, 100%) |
| CMYK | cmyk(100%, 25%, 0%, 0%) |
| OKLCH | oklch(75.54% 0.1534 231.64) |
| CIELAB | lab(72.55 -17.66 -42.54) |
Frequently asked questions
What is the RGB value of Deep Sky Blue?
Deep Sky Blue (#00BFFF) is rgb(0, 191, 255): 0 red, 191 green and 255 blue on the 0 to 255 scale. Blue leads at 255, green follows at 191 and red trails at 0, which puts the hue at 195 degrees. In HSL the same color is hsl(195, 100%, 50%).
What colour is #00BFFF?
#00BFFF is Deep Sky Blue, a mid blue colour with a hue of 195 degrees, 100% saturation and 50% lightness. For print the CMYK breakdown is 100% cyan, 25% magenta, 0% yellow and 0% black. Its nearest neighbour in this library is Cyan Blue, 7.2 away in CIELAB, a difference you can see.
Is Deep Sky Blue a CSS color name?
Yes. The keyword deepskyblue is one of the 148 named colors in CSS Color Module Level 4, so color: deepskyblue; renders exactly #00BFFF.
What colors go with Deep Sky Blue?
Opposite Deep Sky Blue on the color wheel sits the complementary #FF4000 (close to Orange Red), the boldest accent by hue. For a calmer scheme use the analogous neighbours #00FFC0 and #003FFF; for a balanced three-color scheme use the triadic pair #FF00BF (close to Shocking Pink) and #BFFF00. Of these, #003FFF has the most contrast against Deep Sky Blue, at 3.14:1, enough for icons and large text.
What text color is readable on Deep Sky Blue?
Ink black (#0F0F12) is the most readable on Deep Sky Blue, at 9.02:1, which also clears WCAG AAA (7:1). 2 of the 5 common text colors tested pass AA for normal text.
Use Deep Sky Blue in a tool
Nearby colors
Last updated by FusionStudios. Every value on this page is computed by the same functions the tools use. How this is calculated.