#183a60

Color #183a60

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 19.46 Nearest Tailwind class sky-950 #052f4a · ΔE 5.4

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Conversions

HEX

#183a60

RGB

rgb(24, 58, 96)

HSL

hsl(211.7, 60%, 23.5%)

HSV / HSB

hsv(211.7, 75%, 37.6%)

CMYK

cmyk(75%, 39.6%, 0%, 62.4%)

LAB

lab(23.88, 2.01, -26.15)

LCH

lch(23.88, 26.23, 274.4)

OKLCH

oklch(34.4%, 0.0777, 253.17)

HWB

hwb(211.7, 9.4%, 62.4%)

Harmony colors

Complementary

#603e18

Analogous

#185e60

#183a60

#1a1860

Triadic

#183a60

#60183a

#3a6018

Split-complementary

#183a60

#601a18

#5e6018

Tetradic

#183a60

#3e1860

#603e18

#3a6018

Square

#183a60

#60185e

#603e18

#18601a

Shades

Color #183a60 mixed toward black.

#143050

#102740

#0c1d30

#081320

#040a10

Tints

Color #183a60 mixed toward white.

#255994

#3279c8

#639ad8

#97bce5

#cbddf2

Tones

Color #183a60 mixed toward gray.

#1e3a5a

#243b54

#2a3b4e

#303b48

#363c42

Accessibility

Aa White text on this color

11.58:1

Aa Black text on this color

1.81:1

White text reads better on this background (11.58:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2a2b59 · ΔE 9.2

Deuteranopia

#282657 · ΔE 10.4

Tritanopia

#1b5251 · ΔE 21.2

Achromatopsia

#393939 · ΔE 16.5

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

Code

CSS

background-color: #183a60;

Tailwind (arbitrary value)

bg-[#183a60]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Light Steel Blue #b0c4de

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#183a60 (#183a60) is rgb(24, 58, 96) in RGB.

No, #183a60 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 #183a60, or check how it holds up for accessibility.

Generate a palette → Check contrast