#3f4852

Color #3f4852

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 2.89 Nearest Tailwind class gray-700 #364153 · ΔE 4.7

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Conversions

HEX

#3f4852

RGB

rgb(63, 72, 82)

HSL

hsl(211.6, 13.1%, 28.4%)

HSV / HSB

hsv(211.6, 23.2%, 32.2%)

CMYK

cmyk(23.2%, 12.2%, 0%, 67.8%)

LAB

lab(30.16, -1.1, -7.17)

LCH

lch(30.16, 7.25, 261.28)

OKLCH

oklch(39.7%, 0.0206, 251.04)

HWB

hwb(211.6, 24.7%, 67.8%)

Harmony colors

Complementary

#52493f

Analogous

#3f5152

#3f4852

#3f3f52

Triadic

#3f4852

#523f48

#48523f

Split-complementary

#3f4852

#523f3f

#51523f

Tetradic

#3f4852

#493f52

#52493f

#48523f

Square

#3f4852

#523f51

#52493f

#3f523f

Shades

Color #3f4852 mixed toward black.

#343c44

#2a3037

#1f2429

#15181b

#0a0c0e

Tints

Color #3f4852 mixed toward white.

#596674

#758495

#98a3b0

#bac2ca

#dde0e5

Tones

Color #3f4852 mixed toward gray.

#414850

#42484f

#44484d

#45484c

#47484a

Accessibility

Aa White text on this color

9.29:1

Aa Black text on this color

2.26:1

White text reads better on this background (9.29:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#434350 · ΔE 5.9

Deuteranopia

#43424f · ΔE 6.5

Tritanopia

#3f4e4d · ΔE 8.1

Achromatopsia

#474747 · ΔE 6.3

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

Code

CSS

background-color: #3f4852;

Tailwind (arbitrary value)

bg-[#3f4852]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Light Steel Blue #b0c4de

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#3f4852 (#3f4852) is rgb(63, 72, 82) in RGB.

No, #3f4852 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 #3f4852, or check how it holds up for accessibility.

Generate a palette → Check contrast