#81c1e1

Color #81c1e1

A moderately saturated light blue.

Closest named color Sky Blue #87ceeb · ΔE 5.11 Nearest Tailwind class sky-300 #74d4ff · ΔE 5.5

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Conversions

HEX

#81c1e1

RGB

rgb(129, 193, 225)

HSL

hsl(200, 61.5%, 69.4%)

HSV / HSB

hsv(200, 42.7%, 88.2%)

CMYK

cmyk(42.7%, 14.2%, 0%, 11.8%)

LAB

lab(74.98, -12.18, -22.35)

LCH

lch(74.98, 25.45, 241.41)

OKLCH

oklch(77.9%, 0.0796, 230.81)

HWB

hwb(200, 50.6%, 11.8%)

Harmony colors

Complementary

#e1a181

Analogous

#81e1d1

#81c1e1

#8191e1

Triadic

#81c1e1

#e181c1

#c1e181

Split-complementary

#81c1e1

#e18191

#e1d181

Tetradic

#81c1e1

#a181e1

#e1a181

#c1e181

Square

#81c1e1

#d181e1

#e1a181

#91e181

Shades

Color #81c1e1 mixed toward black.

#51aad6

#2d8ebf

#226b8f

#17475f

#0b2430

Tints

Color #81c1e1 mixed toward white.

#96cbe6

#abd6eb

#c0e0f0

#d5eaf5

#eaf5fa

Tones

Color #81c1e1 mixed toward gray.

#89bed9

#91bcd1

#99b9c9

#a1b6c1

#a9b4b9

Accessibility

Aa White text on this color

1.97:1

Aa Black text on this color

10.65:1

Black text reads better on this background (10.65:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#a1a1da · ΔE 18.8

Deuteranopia

#9d98d8 · ΔE 20

Tritanopia

#85d4d3 · ΔE 13.7

Achromatopsia

#b9b9b9 · ΔE 17.4

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #81c1e1;

Tailwind (arbitrary value)

bg-[#81c1e1]

Related colors

Sky Blue #87ceeb

Light Sky Blue #87cefa

Charcoal #36454f

Deep Sky Blue #00bfff

Light Blue #add8e6

Steel Blue #4682b4

Frequently asked questions

#81c1e1 (#81c1e1) is rgb(129, 193, 225) in RGB.

No, #81c1e1 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #81c1e1, or check how it holds up for accessibility.

Generate a palette → Check contrast