#3f474d

Color #3f474d

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 3.81 Nearest Tailwind class mist-700 #394447 · ΔE 3.1

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Conversions

HEX

#3f474d

RGB

rgb(63, 71, 77)

HSL

hsl(205.7, 10%, 27.5%)

HSV / HSB

hsv(205.7, 18.2%, 30.2%)

CMYK

cmyk(18.2%, 7.8%, 0%, 69.8%)

LAB

lab(29.66, -1.76, -4.69)

LCH

lch(29.66, 5.01, 249.43)

OKLCH

oklch(39.3%, 0.0146, 240.45)

HWB

hwb(205.7, 24.7%, 69.8%)

Harmony colors

Complementary

#4d453f

Analogous

#3f4d4c

#3f474d

#3f404d

Triadic

#3f474d

#4d3f47

#474d3f

Split-complementary

#3f474d

#4d3f40

#4d4c3f

Tetradic

#3f474d

#453f4d

#4d453f

#474d3f

Square

#3f474d

#4c3f4d

#4d453f

#404d3f

Shades

Color #3f474d mixed toward black.

#353b40

#2a2f33

#202427

#15181a

#0b0c0d

Tints

Color #3f474d mixed toward white.

#5b666f

#778690

#99a4ac

#bbc2c8

#dde1e3

Tones

Color #3f474d mixed toward gray.

#40474c

#41474b

#43474a

#444648

#454647

Accessibility

Aa White text on this color

9.46:1

Aa Black text on this color

2.22:1

White text reads better on this background (9.46:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#43434c · ΔE 5.5

Deuteranopia

#42424b · ΔE 5.6

Tritanopia

#3f4a4a · ΔE 4.5

Achromatopsia

#464646 · ΔE 4.8

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

Code

CSS

background-color: #3f474d;

Tailwind (arbitrary value)

bg-[#3f474d]

Related colors

Steel Blue #4682b4

Charcoal #36454f

Alice Blue #f0f8ff

Light Sky Blue #87cefa

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#3f474d (#3f474d) is rgb(63, 71, 77) in RGB.

No, #3f474d 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 #3f474d, or check how it holds up for accessibility.

Generate a palette → Check contrast