#181529

Color #181529

A muted very dark blue.

Closest named color Black #000000 · ΔE 17.14 Nearest Tailwind class slate-900 #0f172b · ΔE 4.9

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Conversions

HEX

#181529

RGB

rgb(24, 21, 41)

HSL

hsl(249, 32.3%, 12.2%)

HSV / HSB

hsv(249, 48.8%, 16.1%)

CMYK

cmyk(41.5%, 48.8%, 0%, 83.9%)

LAB

lab(8.04, 7.54, -13.13)

LCH

lch(8.04, 15.14, 299.87)

OKLCH

oklch(21%, 0.039, 289.46)

HWB

hwb(249, 8.2%, 83.9%)

Harmony colors

Complementary

#262915

Analogous

#151c29

#181529

#221529

Triadic

#181529

#291815

#152918

Split-complementary

#181529

#292215

#1c2915

Tetradic

#181529

#291526

#262915

#152918

Square

#181529

#29151c

#262915

#152922

Shades

Color #181529 mixed toward black.

#141222

#100e1b

#0c0b15

#08070e

#040407

Tints

Color #181529 mixed toward white.

#352e5b

#52488c

#766bb3

#a39ccc

#d1cee6

Tones

Color #181529 mixed toward gray.

#191727

#1a1826

#1c1a24

#1d1c22

#1e1d21

Accessibility

Aa White text on this color

17.82:1

Aa Black text on this color

1.18:1

White text reads better on this background (17.82:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#171725 · ΔE 3.8

Deuteranopia

#171724 · ΔE 4.3

Tritanopia

#182221 · ΔE 16.9

Achromatopsia

#181818 · ΔE 12.4

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

Code

CSS

background-color: #181529;

Tailwind (arbitrary value)

bg-[#181529]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#181529 (#181529) is rgb(24, 21, 41) in RGB.

No, #181529 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 #181529, or check how it holds up for accessibility.

Generate a palette → Check contrast