#281e3f

Color #281e3f

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 25.02 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 6

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Conversions

HEX

#281e3f

RGB

rgb(40, 30, 63)

HSL

hsl(258.2, 35.5%, 18.2%)

HSV / HSB

hsv(258.2, 52.4%, 24.7%)

CMYK

cmyk(36.5%, 52.4%, 0%, 75.3%)

LAB

lab(14.05, 13.75, -19.42)

LCH

lch(14.05, 23.79, 305.3)

OKLCH

oklch(26.5%, 0.0607, 295.97)

HWB

hwb(258.2, 11.8%, 75.3%)

Harmony colors

Complementary

#353f1e

Analogous

#1e243f

#281e3f

#381e3f

Triadic

#281e3f

#3f281e

#1e3f28

Split-complementary

#281e3f

#3f381e

#243f1e

Tetradic

#281e3f

#3f1e35

#353f1e

#1e3f28

Square

#281e3f

#3f1e24

#353f1e

#1e3f38

Shades

Color #281e3f mixed toward black.

#211934

#1b142a

#140f1f

#0d0a15

#07050a

Tints

Color #281e3f mixed toward white.

#46346e

#644b9d

#8872bc

#b0a1d2

#d7d0e9

Tones

Color #281e3f mixed toward gray.

#29213c

#2a2339

#2b2637

#2c2934

#2d2c31

Accessibility

Aa White text on this color

15.58:1

Aa Black text on this color

1.35:1

White text reads better on this background (15.58:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#242439 · ΔE 6.4

Deuteranopia

#252537 · ΔE 7.7

Tritanopia

#283432 · ΔE 22

Achromatopsia

#242424 · ΔE 17.2

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

Code

CSS

background-color: #281e3f;

Tailwind (arbitrary value)

bg-[#281e3f]

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

#281e3f (#281e3f) is rgb(40, 30, 63) in RGB.

No, #281e3f 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 #281e3f, or check how it holds up for accessibility.

Generate a palette → Check contrast