#3b5857

Color #3b5857

A muted dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 4.1 Nearest Tailwind class mist-600 #4b585b · ΔE 6.8

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Conversions

HEX

#3b5857

RGB

rgb(59, 88, 87)

HSL

hsl(177.9, 19.7%, 28.8%)

HSV / HSB

hsv(177.9, 33%, 34.5%)

CMYK

cmyk(33%, 0%, 1.1%, 65.5%)

LAB

lab(35.2, -10.96, -2.87)

LCH

lch(35.2, 11.33, 194.67)

OKLCH

oklch(43.7%, 0.0345, 193.23)

HWB

hwb(177.9, 23.1%, 65.5%)

Harmony colors

Complementary

#583b3c

Analogous

#3b5848

#3b5857

#3b4a58

Triadic

#3b5857

#573b58

#58573b

Split-complementary

#3b5857

#583b4a

#58483b

Tetradic

#3b5857

#3b3c58

#583b3c

#58573b

Square

#3b5857

#483b58

#583b3c

#4a583b

Shades

Color #3b5857 mixed toward black.

#314948

#273b3a

#1d2c2b

#141d1d

#0a0f0e

Tints

Color #3b5857 mixed toward white.

#537c7b

#6e9e9c

#92b6b5

#b7cece

#dbe7e6

Tones

Color #3b5857 mixed toward gray.

#3d5555

#405352

#425150

#454e4e

#474c4c

Accessibility

Aa White text on this color

7.72:1

Aa Black text on this color

2.72:1

White text reads better on this background (7.72:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#494957 · ΔE 17

Deuteranopia

#484557 · ΔE 19.8

Tritanopia

#3d5757 · ΔE 1.2

Achromatopsia

#535353 · ΔE 12.1

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

Code

CSS

background-color: #3b5857;

Tailwind (arbitrary value)

bg-[#3b5857]

Related colors

Medium Turquoise #48d1cc

Light Sea Green #20b2aa

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Frequently asked questions

#3b5857 (#3b5857) is rgb(59, 88, 87) in RGB.

No, #3b5857 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 #3b5857, or check how it holds up for accessibility.

Generate a palette → Check contrast