#81C1EA Color
#81C1EA is rgb(129, 193, 234) in RGB, hsl(203, 71%, 71%) in HSL, and about cmyk(45%, 18%, 0%, 8%) in CMYK. It has no registered color name of its own — the closest is Aero (#7CB9E8), very hard to tell apart at ΔE 4.41. Black text is the more readable choice on this background.
#81C1EArgb(129, 193, 234)hsl(203, 71%, 71%)hsv(203, 45%, 92%)cmyk(45%, 18%, 0%, 8%)oklch(78.3% 0.088 237.5)lab(74.89% -13.10 -27.28)lch(74.89% 30.27 244.35)What #81C1EA Is Called
Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #81C1EA, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every blue in the library.
#81C1EA Channel Values
How #81C1EA breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 129 · G 193 · B 234 | 8-bit channels as sent to the display |
| HSL | H 203° · S 71% · L 71% | Easiest model for building lighter and darker variants |
| HSV | H 203° · S 45% · V 92% | Matches the picker in most design tools |
| CMYK | C 45% · M 18% · Y 0% · K 8% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.95:1 vs white · 10.75:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #81C1EA background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.
Need a specific ratio against another background? Open #81C1EA in the contrast checker.
Colors That Go With #81C1EA
Pairings derived from color-wheel relationships. The complementary color sits opposite #81C1EA; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #81C1EA
Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #81C1EA.
How #81C1EA Looks with Color Vision Deficiency
Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.
#81C1EA#B8B8EA#A5BCEA#AFAFEB#9FB7EB#76C7C7#7BC5D6#B9B9B9Using #81C1EA in Code
Copy-ready declarations for the places this color usually ends up.
--color-81c1ea: #81C1EA;background-color: #81C1EA;colors: { 'color-81c1ea': '#81C1EA' }Color(red: 0.506, green: 0.757, blue: 0.918)<color name="color_81c1ea">#81C1EA</color>fill="#81C1EA"More Blue Colors
#81C1EA sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#81C1EA Frequently Asked Questions
What color is #81C1EA?
#81C1EA is a light blue — rgb(129, 193, 234) in RGB and hsl(203, 71%, 71%) in HSL. It carries no registered color name of its own; the closest named color is Aero (#7CB9E8), which is very hard to tell apart at a CIE76 distance of 4.41.
What is the RGB value of #81C1EA?
#81C1EA is rgb(129, 193, 234) — red 129, green 193, and blue 234 on the 0-255 scale.
What is the CMYK value of #81C1EA?
#81C1EA converts to approximately cmyk(45%, 18%, 0%, 8%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #81C1EA be black or white?
Black text is the more readable choice. #81C1EA scores 1.95:1 against white and 10.75:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #81C1EA as a CSS color keyword?
No. #81C1EA is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is lightskyblue (#87CEFA) at a CIE76 distance of 4.94, which is very hard to tell apart.
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Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.