#42555b

Color #42555b

A muted dark cyan.

Closest named color Charcoal #36454f · ΔE 7.2 Nearest Tailwind class mist-600 #4b585b · ΔE 2.7

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Conversions

HEX

#42555b

RGB

rgb(66, 85, 91)

HSL

hsl(194.4, 15.9%, 30.8%)

HSV / HSB

hsv(194.4, 27.5%, 35.7%)

CMYK

cmyk(27.5%, 6.6%, 0%, 64.3%)

LAB

lab(34.82, -5.73, -5.89)

LCH

lch(34.82, 8.22, 225.79)

OKLCH

oklch(43.6%, 0.0255, 218.94)

HWB

hwb(194.4, 25.9%, 64.3%)

Harmony colors

Complementary

#5b4842

Analogous

#425b55

#42555b

#42495b

Triadic

#42555b

#5b4255

#555b42

Split-complementary

#42555b

#5b4249

#5b5542

Tetradic

#42555b

#48425b

#5b4842

#555b42

Square

#42555b

#55425b

#5b4842

#495b42

Shades

Color #42555b mixed toward black.

#37474c

#2c393d

#212b2e

#161c1e

#0b0e0f

Tints

Color #42555b mixed toward white.

#5b757d

#77939c

#99aeb5

#bbc9ce

#dde4e6

Tones

Color #42555b mixed toward gray.

#445459

#465357

#485255

#4a5153

#4c5051

Accessibility

Aa White text on this color

7.83:1

Aa Black text on this color

2.68:1

White text reads better on this background (7.83:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#4b4b5a · ΔE 12.1

Deuteranopia

#4a4859 · ΔE 13.9

Tritanopia

#435858 · ΔE 3.9

Achromatopsia

#525252 · ΔE 8.4

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

Code

CSS

background-color: #42555b;

Tailwind (arbitrary value)

bg-[#42555b]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Powder Blue #b0e0e6

Light Sky Blue #87cefa

Charcoal #36454f

Frequently asked questions

#42555b (#42555b) is rgb(66, 85, 91) in RGB.

No, #42555b 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 #42555b, or check how it holds up for accessibility.

Generate a palette → Check contrast