#281f45

Color #281f45

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 27.03 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 4.4

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Conversions

HEX

#281f45

RGB

rgb(40, 31, 69)

HSL

hsl(254.2, 38%, 19.6%)

HSV / HSB

hsv(254.2, 55.1%, 27.1%)

CMYK

cmyk(42%, 55.1%, 0%, 72.9%)

LAB

lab(14.74, 14.98, -22.51)

LCH

lch(14.74, 27.04, 303.64)

OKLCH

oklch(27.1%, 0.0686, 292.08)

HWB

hwb(254.2, 12.2%, 72.9%)

Harmony colors

Complementary

#3c451f

Analogous

#1f2945

#281f45

#3b1f45

Triadic

#281f45

#45281f

#1f4528

Split-complementary

#281f45

#453b1f

#29451f

Tetradic

#281f45

#451f3c

#3c451f

#1f4528

Square

#281f45

#451f29

#3c451f

#1f453b

Shades

Color #281f45 mixed toward black.

#211a39

#1b152e

#140f22

#0d0a17

#07050b

Tints

Color #281f45 mixed toward white.

#433474

#5f49a3

#8472bf

#ada1d5

#d6d0ea

Tones

Color #281f45 mixed toward gray.

#2a2242

#2b253f

#2d283b

#2f2c38

#302f35

Accessibility

Aa White text on this color

15.3:1

Aa Black text on this color

1.37:1

White text reads better on this background (15.3:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#24243e · ΔE 5.3

Deuteranopia

#25263c · ΔE 7.1

Tritanopia

#283837 · ΔE 22.9

Achromatopsia

#252525 · ΔE 18.3

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

Code

CSS

background-color: #281f45;

Tailwind (arbitrary value)

bg-[#281f45]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#281f45 (#281f45) is rgb(40, 31, 69) in RGB.

No, #281f45 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 #281f45, or check how it holds up for accessibility.

Generate a palette → Check contrast