#281f3e

Color #281f3e

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 23.71 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 6.6

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Conversions

HEX

#281f3e

RGB

rgb(40, 31, 62)

HSL

hsl(257.4, 33.3%, 18.2%)

HSV / HSB

hsv(257.4, 50%, 24.3%)

CMYK

cmyk(35.5%, 50%, 0%, 75.7%)

LAB

lab(14.28, 12.71, -18.36)

LCH

lch(14.28, 22.33, 304.69)

OKLCH

oklch(26.6%, 0.0571, 295.62)

HWB

hwb(257.4, 12.2%, 75.7%)

Harmony colors

Complementary

#353e1f

Analogous

#1f253e

#281f3e

#371f3e

Triadic

#281f3e

#3e281f

#1f3e28

Split-complementary

#281f3e

#3e371f

#253e1f

Tetradic

#281f3e

#3e1f35

#353e1f

#1f3e28

Square

#281f3e

#3e1f25

#353e1f

#1f3e37

Shades

Color #281f3e mixed toward black.

#211a34

#1b1529

#140f1f

#0d0a15

#07050a

Tints

Color #281f3e mixed toward white.

#46366c

#644d9b

#8874b9

#b0a2d1

#d7d1e8

Tones

Color #281f3e mixed toward gray.

#29223b

#2a2439

#2b2736

#2c2934

#2d2c31

Accessibility

Aa White text on this color

15.49:1

Aa Black text on this color

1.36:1

White text reads better on this background (15.49:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#242438 · ΔE 6.1

Deuteranopia

#252637 · ΔE 7.7

Tritanopia

#283332 · ΔE 20.7

Achromatopsia

#242424 · ΔE 16.5

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

Code

CSS

background-color: #281f3e;

Tailwind (arbitrary value)

bg-[#281f3e]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Rebecca Purple #663399

Blue Violet #8a2be2

Frequently asked questions

#281f3e (#281f3e) is rgb(40, 31, 62) in RGB.

No, #281f3e 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 #281f3e, or check how it holds up for accessibility.

Generate a palette → Check contrast