#51afcd

Color #51afcd

A moderately saturated medium cyan.

Closest named color Sky Blue #87ceeb · ΔE 12.94 Nearest Tailwind class cyan-500 #00b8db · ΔE 4

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Conversions

HEX

#51afcd

RGB

rgb(81, 175, 205)

HSL

hsl(194.5, 55.4%, 56.1%)

HSV / HSB

hsv(194.5, 60.5%, 80.4%)

CMYK

cmyk(60.5%, 14.6%, 0%, 19.6%)

LAB

lab(67.14, -18.91, -23.57)

LCH

lch(67.14, 30.22, 231.26)

OKLCH

oklch(70.9%, 0.0984, 221.83)

HWB

hwb(194.5, 31.8%, 19.6%)

Harmony colors

Complementary

#cd6f51

Analogous

#51cdad

#51afcd

#5171cd

Triadic

#51afcd

#cd51af

#afcd51

Split-complementary

#51afcd

#cd5171

#cdad51

Tetradic

#51afcd

#6f51cd

#cd6f51

#afcd51

Square

#51afcd

#ad51cd

#cd6f51

#71cd51

Shades

Color #51afcd mixed toward black.

#3599b9

#2b7b94

#205c6f

#153d4a

#0b1f25

Tints

Color #51afcd mixed toward white.

#6ebcd5

#8bcade

#a8d7e6

#c5e4ee

#e2f2f7

Tones

Color #51afcd mixed toward gray.

#5baac3

#66a4b8

#709fae

#7a9aa4

#859499

Accessibility

Aa White text on this color

2.51:1

Aa Black text on this color

8.36:1

Black text reads better on this background (8.36:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8485c6 · ΔE 23.5

Deuteranopia

#7f78c5 · ΔE 26.1

Tritanopia

#59c1c0 · ΔE 12.5

Achromatopsia

#a3a3a3 · ΔE 19.8

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

Code

CSS

background-color: #51afcd;

Tailwind (arbitrary value)

bg-[#51afcd]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Powder Blue #b0e0e6

Light Sky Blue #87cefa

Charcoal #36454f

Frequently asked questions

#51afcd (#51afcd) is rgb(81, 175, 205) in RGB.

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

Generate a palette → Check contrast