#181d2b

Color #181d2b

A muted very dark blue.

Closest named color Black #000000 · ΔE 15.05 Nearest Tailwind class gray-900 #101828 · ΔE 2.1

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Conversions

HEX

#181d2b

RGB

rgb(24, 29, 43)

HSL

hsl(224.2, 28.4%, 13.1%)

HSV / HSB

hsv(224.2, 44.2%, 16.9%)

CMYK

cmyk(44.2%, 32.6%, 0%, 83.1%)

LAB

lab(10.9, 2.13, -10.16)

LCH

lch(10.9, 10.38, 281.84)

OKLCH

oklch(23.3%, 0.0282, 268.98)

HWB

hwb(224.2, 9.4%, 83.1%)

Harmony colors

Complementary

#2b2618

Analogous

#18262b

#181d2b

#1c182b

Triadic

#181d2b

#2b181d

#1d2b18

Split-complementary

#181d2b

#2b1c18

#262b18

Tetradic

#181d2b

#26182b

#2b2618

#1d2b18

Square

#181d2b

#2b1826

#2b2618

#182b1c

Shades

Color #181d2b mixed toward black.

#141824

#10131d

#0c0e15

#080a0e

#040507

Tints

Color #181d2b mixed toward white.

#323d5a

#4d5d8a

#7181b0

#a0abca

#d0d5e5

Tones

Color #181d2b mixed toward gray.

#191e29

#1b1e28

#1d1f26

#1e2025

#202123

Accessibility

Aa White text on this color

16.81:1

Aa Black text on this color

1.25:1

White text reads better on this background (16.81:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1a1a28 · ΔE 2.9

Deuteranopia

#1a1a27 · ΔE 2.7

Tritanopia

#182625 · ΔE 12.5

Achromatopsia

#1d1d1d · ΔE 8.6

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

Code

CSS

background-color: #181d2b;

Tailwind (arbitrary value)

bg-[#181d2b]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#181d2b (#181d2b) is rgb(24, 29, 43) in RGB.

No, #181d2b is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

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Contrast Checker

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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 #181d2b, or check how it holds up for accessibility.

Generate a palette → Check contrast