#66b1c6

Color #66b1c6

A moderately saturated medium cyan.

Closest named color Sky Blue #87ceeb · ΔE 11.79 Nearest Tailwind class cyan-500 #00b8db · ΔE 5.7

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

Conversions

HEX

#66b1c6

RGB

rgb(102, 177, 198)

HSL

hsl(193.1, 45.7%, 58.8%)

HSV / HSB

hsv(193.1, 48.5%, 77.6%)

CMYK

cmyk(48.5%, 10.6%, 0%, 22.4%)

LAB

lab(68.27, -17.63, -17.9)

LCH

lch(68.27, 25.12, 225.44)

OKLCH

oklch(72%, 0.0805, 217.88)

HWB

hwb(193.1, 40%, 22.4%)

Harmony colors

Complementary

#c67b66

Analogous

#66c6ab

#66b1c6

#6681c6

Triadic

#66b1c6

#c666b1

#b1c666

Split-complementary

#66b1c6

#c66681

#c6ab66

Tetradic

#66b1c6

#7b66c6

#c67b66

#b1c666

Square

#66b1c6

#ab66c6

#c67b66

#81c666

Shades

Color #66b1c6 mixed toward black.

#449db6

#367e92

#295e6d

#1b3f49

#0e1f24

Tints

Color #66b1c6 mixed toward white.

#7fbecf

#99cbd9

#b2d8e2

#cce5ec

#e5f2f5

Tones

Color #66b1c6 mixed toward gray.

#6eacbe

#76a8b6

#7ea3ae

#869fa6

#8e9a9e

Accessibility

Aa White text on this color

2.42:1

Aa Black text on this color

8.67:1

Black text reads better on this background (8.67:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8d8ec1 · ΔE 22.7

Deuteranopia

#8882c0 · ΔE 24.6

Tritanopia

#6bbdbc · ΔE 9.4

Achromatopsia

#a6a6a6 · ΔE 18.4

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

Code

CSS

background-color: #66b1c6;

Tailwind (arbitrary value)

bg-[#66b1c6]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Powder Blue #b0e0e6

Light Sky Blue #87cefa

Charcoal #36454f

Frequently asked questions

#66b1c6 (#66b1c6) is rgb(102, 177, 198) in RGB.

No, #66b1c6 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 #66b1c6, or check how it holds up for accessibility.

Generate a palette → Check contrast