#3f5759

Color #3f5759

A muted dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 5.1 Nearest Tailwind class mist-600 #4b585b · ΔE 4.5

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Conversions

HEX

#3f5759

RGB

rgb(63, 87, 89)

HSL

hsl(184.6, 17.1%, 29.8%)

HSV / HSB

hsv(184.6, 29.2%, 34.9%)

CMYK

cmyk(29.2%, 2.2%, 0%, 65.1%)

LAB

lab(35.19, -8.5, -4.11)

LCH

lch(35.19, 9.44, 205.81)

OKLCH

oklch(43.8%, 0.0292, 202.53)

HWB

hwb(184.6, 24.7%, 65.1%)

Harmony colors

Complementary

#59413f

Analogous

#3f594e

#3f5759

#3f4a59

Triadic

#3f5759

#593f57

#57593f

Split-complementary

#3f5759

#593f4a

#594e3f

Tetradic

#3f5759

#413f59

#59413f

#57593f

Square

#3f5759

#4e3f59

#59413f

#4a593f

Shades

Color #3f5759 mixed toward black.

#34484a

#2a3a3b

#1f2b2c

#151d1e

#0a0e0f

Tints

Color #3f5759 mixed toward white.

#58797c

#73999c

#96b2b5

#b9ccce

#dce5e6

Tones

Color #3f5759 mixed toward gray.

#415557

#435355

#455152

#485050

#4a4e4e

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

#4b4b59 · ΔE 14.7

Deuteranopia

#494758 · ΔE 16.8

Tritanopia

#405858 · ΔE 1.2

Achromatopsia

#535353 · ΔE 10.3

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

Code

CSS

background-color: #3f5759;

Tailwind (arbitrary value)

bg-[#3f5759]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#3f5759 (#3f5759) is rgb(63, 87, 89) in RGB.

No, #3f5759 is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

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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

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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 #3f5759, or check how it holds up for accessibility.

Generate a palette → Check contrast