#51a8c3

Color #51a8c3

A moderately saturated medium cyan.

Closest named color Cadet Blue #5f9ea0 · ΔE 14.82 Nearest Tailwind class cyan-500 #00b8db · ΔE 5.5

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#51a8c3

RGB

rgb(81, 168, 195)

HSL

hsl(194.2, 48.7%, 54.1%)

HSV / HSB

hsv(194.2, 58.5%, 76.5%)

CMYK

cmyk(58.5%, 13.8%, 0%, 23.5%)

LAB

lab(64.72, -18.26, -21.73)

LCH

lch(64.72, 28.38, 229.96)

OKLCH

oklch(68.9%, 0.0922, 220.95)

HWB

hwb(194.2, 31.8%, 23.5%)

Harmony colors

Complementary

#c36c51

Analogous

#51c3a5

#51a8c3

#516fc3

Triadic

#51a8c3

#c351a8

#a8c351

Split-complementary

#51a8c3

#c3516f

#c3a551

Tetradic

#51a8c3

#6c51c3

#c36c51

#a8c351

Square

#51a8c3

#a551c3

#c36c51

#6fc351

Shades

Color #51a8c3 mixed toward black.

#3b90ab

#2f7489

#235767

#183a44

#0c1d22

Tints

Color #51a8c3 mixed toward white.

#6eb6cd

#8bc5d7

#a8d3e1

#c5e2eb

#e2f0f5

Tones

Color #51a8c3 mixed toward gray.

#5aa3b9

#649eb0

#6d99a6

#77949d

#808f93

Accessibility

Aa White text on this color

2.71:1

Aa Black text on this color

7.74:1

Black text reads better on this background (7.74:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8081bd · ΔE 23.1

Deuteranopia

#7b74bb · ΔE 25.7

Tritanopia

#58b8b7 · ΔE 11.6

Achromatopsia

#9d9d9d · ΔE 19.3

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

Code

CSS

background-color: #51a8c3;

Tailwind (arbitrary value)

bg-[#51a8c3]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Powder Blue #b0e0e6

Light Sky Blue #87cefa

Charcoal #36454f

Frequently asked questions

#51a8c3 (#51a8c3) is rgb(81, 168, 195) in RGB.

No, #51a8c3 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 #51a8c3, or check how it holds up for accessibility.

Generate a palette → Check contrast