#181841

Color #181841

A moderately saturated very dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 28.18 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 2.8

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#181841

RGB

rgb(24, 24, 65)

HSL

hsl(240, 46.1%, 17.5%)

HSV / HSB

hsv(240, 63.1%, 25.5%)

CMYK

cmyk(63.1%, 63.1%, 0%, 74.5%)

LAB

lab(10.77, 14.27, -26.17)

LCH

lch(10.77, 29.81, 298.6)

OKLCH

oklch(23.7%, 0.0759, 278.87)

HWB

hwb(240, 9.4%, 74.5%)

Harmony colors

Complementary

#414118

Analogous

#182d41

#181841

#2d1841

Triadic

#181841

#411818

#184118

Split-complementary

#181841

#412d18

#2d4118

Tetradic

#181841

#411841

#414118

#184118

Square

#181841

#41182d

#414118

#18412d

Shades

Color #181841 mixed toward black.

#141436

#10102b

#0c0c21

#080816

#04040b

Tints

Color #181841 mixed toward white.

#2b2b74

#3e3ea8

#6565c6

#9999d9

#ccccec

Tones

Color #181841 mixed toward gray.

#1b1b3e

#1f1f3a

#222237

#262633

#292930

Accessibility

Aa White text on this color

16.86:1

Aa Black text on this color

1.25:1

White text reads better on this background (16.86:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#18183a · ΔE 2.2

Deuteranopia

#181838 · ΔE 2.8

Tritanopia

#183432 · ΔE 25

Achromatopsia

#1d1d1d · ΔE 19

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

Code

CSS

background-color: #181841;

Tailwind (arbitrary value)

bg-[#181841]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#181841 (#181841) is rgb(24, 24, 65) in RGB.

No, #181841 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 #181841, or check how it holds up for accessibility.

Generate a palette → Check contrast