#3f444d

Color #3f444d

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 3.89 Nearest Tailwind class zinc-700 #3f3f46 · ΔE 3.1

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Conversions

HEX

#3f444d

RGB

rgb(63, 68, 77)

HSL

hsl(218.6, 10%, 27.5%)

HSV / HSB

hsv(218.6, 18.2%, 30.2%)

CMYK

cmyk(18.2%, 11.7%, 0%, 69.8%)

LAB

lab(28.71, 0.16, -6.11)

LCH

lch(28.71, 6.11, 271.5)

OKLCH

oklch(38.6%, 0.0166, 262.41)

HWB

hwb(218.6, 24.7%, 69.8%)

Harmony colors

Complementary

#4d483f

Analogous

#3f4b4d

#3f444d

#413f4d

Triadic

#3f444d

#4d3f44

#444d3f

Split-complementary

#3f444d

#4d413f

#4b4d3f

Tetradic

#3f444d

#483f4d

#4d483f

#444d3f

Square

#3f444d

#4d3f4b

#4d483f

#3f4d41

Shades

Color #3f444d mixed toward black.

#353940

#2a2d33

#202227

#15171a

#0b0b0d

Tints

Color #3f444d mixed toward white.

#5b626f

#778090

#99a0ac

#bbc0c8

#dddfe3

Tones

Color #3f444d mixed toward gray.

#40444c

#41454b

#43454a

#444548

#454647

Accessibility

Aa White text on this color

9.79:1

Aa Black text on this color

2.15:1

White text reads better on this background (9.79:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#41414b · ΔE 3.2

Deuteranopia

#41414a · ΔE 3

Tritanopia

#3f4949 · ΔE 7

Achromatopsia

#444444 · ΔE 5.4

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

Code

CSS

background-color: #3f444d;

Tailwind (arbitrary value)

bg-[#3f444d]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#3f444d (#3f444d) is rgb(63, 68, 77) in RGB.

No, #3f444d 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 #3f444d, or check how it holds up for accessibility.

Generate a palette → Check contrast