#312b52

Color #312b52

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 24.03 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 6.1

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Conversions

HEX

#312b52

RGB

rgb(49, 43, 82)

HSL

hsl(249.2, 31.2%, 24.5%)

HSV / HSB

hsv(249.2, 47.6%, 32.2%)

CMYK

cmyk(40.2%, 47.6%, 0%, 67.8%)

LAB

lab(20, 13.55, -22.95)

LCH

lch(20, 26.65, 300.56)

OKLCH

oklch(31.6%, 0.0683, 288.97)

HWB

hwb(249.2, 16.9%, 67.8%)

Harmony colors

Complementary

#4c522b

Analogous

#2b3852

#312b52

#442b52

Triadic

#312b52

#52312b

#2b5231

Split-complementary

#312b52

#52442b

#38522b

Tetradic

#312b52

#522b4c

#4c522b

#2b5231

Square

#312b52

#522b38

#4c522b

#2b5244

Shades

Color #312b52 mixed toward black.

#292444

#211d37

#181529

#100e1b

#08070e

Tints

Color #312b52 mixed toward white.

#4a417c

#6357a6

#8a81bd

#b1abd3

#d8d5e9

Tones

Color #312b52 mixed toward gray.

#332e4f

#35314b

#383548

#3a3845

#3c3b42

Accessibility

Aa White text on this color

13.14:1

Aa Black text on this color

1.6:1

White text reads better on this background (13.14:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2f2e4b · ΔE 3.7

Deuteranopia

#2f2f49 · ΔE 5

Tritanopia

#314443 · ΔE 23

Achromatopsia

#303030 · ΔE 18

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

Code

CSS

background-color: #312b52;

Tailwind (arbitrary value)

bg-[#312b52]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#312b52 (#312b52) is rgb(49, 43, 82) in RGB.

No, #312b52 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 #312b52, or check how it holds up for accessibility.

Generate a palette → Check contrast