#66acb2

Color #66acb2

A muted medium cyan.

Closest named color Cadet Blue #5f9ea0 · ΔE 5.7 Nearest Tailwind class cyan-500 #00b8db · ΔE 9.7

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Conversions

HEX

#66acb2

RGB

rgb(102, 172, 178)

HSL

hsl(184.7, 33%, 54.9%)

HSV / HSB

hsv(184.7, 42.7%, 69.8%)

CMYK

cmyk(42.7%, 3.4%, 0%, 30.2%)

LAB

lab(66.17, -20.44, -10)

LCH

lch(66.17, 22.76, 206.07)

OKLCH

oklch(70.1%, 0.0711, 202.74)

HWB

hwb(184.7, 40%, 30.2%)

Harmony colors

Complementary

#b26c66

Analogous

#66b292

#66acb2

#6686b2

Triadic

#66acb2

#b266ac

#acb266

Split-complementary

#66acb2

#b26686

#b29266

Tetradic

#66acb2

#6c66b2

#b26c66

#acb266

Square

#66acb2

#9266b2

#b26c66

#86b266

Shades

Color #66acb2 mixed toward black.

#4e959b

#3f777c

#2f595d

#1f3c3e

#101e1f

Tints

Color #66acb2 mixed toward white.

#80babf

#99c8cc

#b3d6d8

#cce3e5

#e6f1f2

Tones

Color #66acb2 mixed toward gray.

#6ca7ac

#73a1a5

#799c9f

#7f9799

#869192

Accessibility

Aa White text on this color

2.59:1

Aa Black text on this color

8.11:1

Black text reads better on this background (8.11:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8a8bb1 · ΔE 25.1

Deuteranopia

#8680b0 · ΔE 27.6

Tritanopia

#6bafaf · ΔE 2.6

Achromatopsia

#a1a1a1 · ΔE 18.5

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

Code

CSS

background-color: #66acb2;

Tailwind (arbitrary value)

bg-[#66acb2]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#66acb2 (#66acb2) is rgb(102, 172, 178) in RGB.

No, #66acb2 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 #66acb2, or check how it holds up for accessibility.

Generate a palette → Check contrast