#51bbd4

Color #51bbd4

A moderately saturated medium cyan.

Closest named color Sky Blue #87ceeb · ΔE 11.65 Nearest Tailwind class cyan-500 #00b8db · ΔE 3.4

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Conversions

HEX

#51bbd4

RGB

rgb(81, 187, 212)

HSL

hsl(191.5, 60.4%, 57.5%)

HSV / HSB

hsv(191.5, 61.8%, 83.1%)

CMYK

cmyk(61.8%, 11.8%, 0%, 16.9%)

LAB

lab(70.9, -22.99, -21.67)

LCH

lch(70.9, 31.59, 223.31)

OKLCH

oklch(74%, 0.1028, 215.86)

HWB

hwb(191.5, 31.8%, 16.9%)

Harmony colors

Complementary

#d46a51

Analogous

#51d4ac

#51bbd4

#517ad4

Triadic

#51bbd4

#d451bb

#bbd451

Split-complementary

#51bbd4

#d4517a

#d4ac51

Tetradic

#51bbd4

#6a51d4

#d46a51

#bbd451

Square

#51bbd4

#ac51d4

#d46a51

#7ad451

Shades

Color #51bbd4 mixed toward black.

#30a8c4

#27869d

#1d6576

#13434e

#0a2227

Tints

Color #51bbd4 mixed toward white.

#6ec6db

#8bd2e2

#a8ddea

#c5e8f1

#e2f4f8

Tones

Color #51bbd4 mixed toward gray.

#5cb4c9

#67aebe

#72a7b3

#7da0a8

#88999e

Accessibility

Aa White text on this color

2.23:1

Aa Black text on this color

9.41:1

Black text reads better on this background (9.41:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8c8dce · ΔE 25.8

Deuteranopia

#867dcd · ΔE 29

Tritanopia

#5acac9 · ΔE 10.2

Achromatopsia

#adadad · ΔE 20.7

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

Code

CSS

background-color: #51bbd4;

Tailwind (arbitrary value)

bg-[#51bbd4]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Powder Blue #b0e0e6

Sky Blue #87ceeb

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Frequently asked questions

#51bbd4 (#51bbd4) is rgb(81, 187, 212) in RGB.

No, #51bbd4 is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #51bbd4, or check how it holds up for accessibility.

Generate a palette → Check contrast