#18408d

Color #18408d

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 10.86 Nearest Tailwind class blue-900 #1c398e · ΔE 2.8

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Conversions

HEX

#18408d

RGB

rgb(24, 64, 141)

HSL

hsl(219.5, 70.9%, 32.4%)

HSV / HSB

hsv(219.5, 83%, 55.3%)

CMYK

cmyk(83%, 54.6%, 0%, 44.7%)

LAB

lab(28.86, 16.39, -46.64)

LCH

lch(28.86, 49.44, 289.36)

OKLCH

oklch(39.2%, 0.1359, 261.75)

HWB

hwb(219.5, 9.4%, 44.7%)

Harmony colors

Complementary

#8d6518

Analogous

#187b8d

#18408d

#2b188d

Triadic

#18408d

#8d1840

#408d18

Split-complementary

#18408d

#8d2b18

#7b8d18

Tetradic

#18408d

#65188d

#8d6518

#408d18

Square

#18408d

#8d187b

#8d6518

#188d2b

Shades

Color #18408d mixed toward black.

#143576

#102b5e

#0c2047

#08152f

#040b18

Tints

Color #18408d mixed toward white.

#2056be

#3b72de

#6c95e6

#9db9ee

#cedcf7

Tones

Color #18408d mixed toward gray.

#224383

#2c467a

#354970

#3f4c66

#49505c

Accessibility

Aa White text on this color

9.74:1

Aa Black text on this color

2.16:1

White text reads better on this background (9.74:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2e2e80 · ΔE 7.7

Deuteranopia

#2c297c · ΔE 9

Tritanopia

#1b7471 · ΔE 31.6

Achromatopsia

#444444 · ΔE 23.6

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

Code

CSS

background-color: #18408d;

Tailwind (arbitrary value)

bg-[#18408d]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#18408d (#18408d) is rgb(24, 64, 141) in RGB.

No, #18408d 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 #18408d, or check how it holds up for accessibility.

Generate a palette → Check contrast