#3f4250

Color #3f4250

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 5.56 Nearest Tailwind class gray-700 #364153 · ΔE 3.7

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Conversions

HEX

#3f4250

RGB

rgb(63, 66, 80)

HSL

hsl(229.4, 11.9%, 28%)

HSV / HSB

hsv(229.4, 21.2%, 31.4%)

CMYK

cmyk(21.2%, 17.5%, 0%, 68.6%)

LAB

lab(28.2, 2.24, -8.83)

LCH

lch(28.2, 9.11, 284.23)

OKLCH

oklch(38.2%, 0.0241, 275.71)

HWB

hwb(229.4, 24.7%, 68.6%)

Harmony colors

Complementary

#504d3f

Analogous

#3f4a50

#3f4250

#443f50

Triadic

#3f4250

#503f42

#42503f

Split-complementary

#3f4250

#50443f

#4a503f

Tetradic

#3f4250

#4d3f50

#504d3f

#42503f

Square

#3f4250

#503f4a

#504d3f

#3f5044

Shades

Color #3f4250 mixed toward black.

#343743

#2a2c35

#1f2128

#15161b

#0a0b0d

Tints

Color #3f4250 mixed toward white.

#5a5e72

#767b93

#989cae

#bbbdc9

#dddee4

Tones

Color #3f4250 mixed toward gray.

#40434e

#42444d

#43454c

#45464a

#464649

Accessibility

Aa White text on this color

9.97:1

Aa Black text on this color

2.11:1

White text reads better on this background (9.97:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#40404d · ΔE 1.6

Deuteranopia

#40404c · ΔE 1.7

Tritanopia

#3f4a4a · ΔE 10.5

Achromatopsia

#434343 · ΔE 7.8

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

Code

CSS

background-color: #3f4250;

Tailwind (arbitrary value)

bg-[#3f4250]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#3f4250 (#3f4250) is rgb(63, 66, 80) in RGB.

No, #3f4250 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 #3f4250, or check how it holds up for accessibility.

Generate a palette → Check contrast