#668a8e

Color #668a8e

A muted medium cyan.

Closest named color Cadet Blue #5f9ea0 · ΔE 10.29 Nearest Tailwind class mist-500 #67787c · ΔE 8.2

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

Conversions

HEX

#668a8e

RGB

rgb(102, 138, 142)

HSL

hsl(186, 16.4%, 47.8%)

HSV / HSB

hsv(186, 28.2%, 55.7%)

CMYK

cmyk(28.2%, 2.8%, 0%, 44.3%)

LAB

lab(55.02, -11.5, -6.21)

LCH

lch(55.02, 13.07, 208.37)

OKLCH

oklch(60.8%, 0.0406, 204.61)

HWB

hwb(186, 40%, 44.3%)

Harmony colors

Complementary

#8e6a66

Analogous

#668e7e

#668a8e

#66768e

Triadic

#668a8e

#8e668a

#8a8e66

Split-complementary

#668a8e

#8e6676

#8e7e66

Tetradic

#668a8e

#6a668e

#8e6a66

#8a8e66

Square

#668a8e

#7e668e

#8e6a66

#768e66

Shades

Color #668a8e mixed toward black.

#557376

#445c5f

#334547

#222e2f

#111718

Tints

Color #668a8e mixed toward white.

#7e9fa2

#98b2b5

#b2c5c7

#cbd8da

#e5ecec

Tones

Color #668a8e mixed toward gray.

#69878b

#6d8587

#708284

#737f81

#777d7d

Accessibility

Aa White text on this color

3.76:1

Aa Black text on this color

5.59:1

Black text reads better on this background (5.59:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#77788d · ΔE 18.2

Deuteranopia

#75728d · ΔE 21.5

Tritanopia

#688c8c · ΔE 2.1

Achromatopsia

#848484 · ΔE 13

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

Code

CSS

background-color: #668a8e;

Tailwind (arbitrary value)

bg-[#668a8e]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#668a8e (#668a8e) is rgb(102, 138, 142) in RGB.

No, #668a8e 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.

Try it → Generators

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 #668a8e, or check how it holds up for accessibility.

Generate a palette → Check contrast