#183c52

Color #183c52

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 10.39 Nearest Tailwind class cyan-950 #053345 · ΔE 4.1

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Conversions

HEX

#183c52

RGB

rgb(24, 60, 82)

HSL

hsl(202.8, 54.7%, 20.8%)

HSV / HSB

hsv(202.8, 70.7%, 32.2%)

CMYK

cmyk(70.7%, 26.8%, 0%, 67.8%)

LAB

lab(23.79, -4.91, -17.13)

LCH

lch(23.79, 17.82, 254.01)

OKLCH

oklch(34.1%, 0.0565, 238.39)

HWB

hwb(202.8, 9.4%, 67.8%)

Harmony colors

Complementary

#522e18

Analogous

#18524b

#183c52

#181f52

Triadic

#183c52

#52183c

#3c5218

Split-complementary

#183c52

#52181f

#524b18

Tetradic

#183c52

#2e1852

#522e18

#3c5218

Square

#183c52

#4b1852

#522e18

#1f5218

Shades

Color #183c52 mixed toward black.

#143244

#102837

#0c1e29

#08141b

#040a0e

Tints

Color #183c52 mixed toward white.

#276286

#3788ba

#63a7d1

#97c5e1

#cbe2f0

Tones

Color #183c52 mixed toward gray.

#1d3b4d

#223a48

#273944

#2b373f

#30363a

Accessibility

Aa White text on this color

11.62:1

Aa Black text on this color

1.81:1

White text reads better on this background (11.62:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2c2c4d · ΔE 14.8

Deuteranopia

#29274c · ΔE 15.6

Tritanopia

#1b4949 · ΔE 13.6

Achromatopsia

#393939 · ΔE 13.1

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

Code

CSS

background-color: #183c52;

Tailwind (arbitrary value)

bg-[#183c52]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Steel Blue #4682b4

Alice Blue #f0f8ff

Sky Blue #87ceeb

Dodger Blue #1e90ff

Frequently asked questions

#183c52 (#183c52) is rgb(24, 60, 82) in RGB.

No, #183c52 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #183c52, or check how it holds up for accessibility.

Generate a palette → Check contrast