#3f4c52

Color #3f4c52

A nearly neutral, gray-leaning dark cyan.

Closest named color Charcoal #36454f · ΔE 4.08 Nearest Tailwind class mist-700 #394447 · ΔE 3.1

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

Conversions

HEX

#3f4c52

RGB

rgb(63, 76, 82)

HSL

hsl(198.9, 13.1%, 28.4%)

HSV / HSB

hsv(198.9, 23.2%, 32.2%)

CMYK

cmyk(23.2%, 7.3%, 0%, 67.8%)

LAB

lab(31.43, -3.62, -5.27)

LCH

lch(31.43, 6.39, 235.51)

OKLCH

oklch(40.7%, 0.0194, 227.51)

HWB

hwb(198.9, 24.7%, 67.8%)

Harmony colors

Complementary

#52453f

Analogous

#3f524e

#3f4c52

#3f4252

Triadic

#3f4c52

#523f4c

#4c523f

Split-complementary

#3f4c52

#523f42

#524e3f

Tetradic

#3f4c52

#453f52

#52453f

#4c523f

Square

#3f4c52

#4e3f52

#52453f

#42523f

Shades

Color #3f4c52 mixed toward black.

#343f44

#2a3337

#1f2629

#15191b

#0a0d0e

Tints

Color #3f4c52 mixed toward white.

#596c74

#758b95

#98a8b0

#bac5ca

#dde2e5

Tones

Color #3f4c52 mixed toward gray.

#414b50

#424b4f

#444a4d

#454a4c

#47494a

Accessibility

Aa White text on this color

8.87:1

Aa Black text on this color

2.37:1

White text reads better on this background (8.87:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#454551 · ΔE 8.9

Deuteranopia

#444350 · ΔE 9.9

Tritanopia

#404f4f · ΔE 4.1

Achromatopsia

#4a4a4a · ΔE 6.5

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

Code

CSS

background-color: #3f4c52;

Tailwind (arbitrary value)

bg-[#3f4c52]

Related colors

Sky Blue #87ceeb

Deep Sky Blue #00bfff

Light Sky Blue #87cefa

Light Blue #add8e6

Charcoal #36454f

Steel Blue #4682b4

Frequently asked questions

#3f4c52 (#3f4c52) is rgb(63, 76, 82) in RGB.

No, #3f4c52 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 #3f4c52, or check how it holds up for accessibility.

Generate a palette → Check contrast