#1f2b33

Color #1f2b33

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 11.67 Nearest Tailwind class mist-800 #22292b · ΔE 3.7

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Conversions

HEX

#1f2b33

RGB

rgb(31, 43, 51)

HSL

hsl(204, 24.4%, 16.1%)

HSV / HSB

hsv(204, 39.2%, 20%)

CMYK

cmyk(39.2%, 15.7%, 0%, 80%)

LAB

lab(16.79, -2.68, -6.82)

LCH

lch(16.79, 7.33, 248.55)

OKLCH

oklch(28.2%, 0.0221, 237.75)

HWB

hwb(204, 12.2%, 80%)

Harmony colors

Complementary

#33271f

Analogous

#1f3331

#1f2b33

#1f2133

Triadic

#1f2b33

#331f2b

#2b331f

Split-complementary

#1f2b33

#331f21

#33311f

Tetradic

#1f2b33

#271f33

#33271f

#2b331f

Square

#1f2b33

#311f33

#33271f

#21331f

Shades

Color #1f2b33 mixed toward black.

#1a242b

#151d22

#10161a

#0a0e11

#050709

Tints

Color #1f2b33 mixed toward white.

#3a505f

#55768c

#7a99ae

#a6bbc9

#d3dde4

Tones

Color #1f2b33 mixed toward gray.

#212b31

#222a30

#242a2e

#262a2c

#27292b

Accessibility

Aa White text on this color

14.47:1

Aa Black text on this color

1.45:1

White text reads better on this background (14.47:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#252531 · ΔE 8.2

Deuteranopia

#242331 · ΔE 9.6

Tritanopia

#20302f · ΔE 7

Achromatopsia

#292929 · ΔE 6.7

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

Code

CSS

background-color: #1f2b33;

Tailwind (arbitrary value)

bg-[#1f2b33]

Related colors

Charcoal #36454f

Light Sky Blue #87cefa

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#1f2b33 (#1f2b33) is rgb(31, 43, 51) in RGB.

No, #1f2b33 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 #1f2b33, or check how it holds up for accessibility.

Generate a palette → Check contrast