#0c183a

Color #0c183a

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 26.84 Nearest Tailwind class slate-900 #0f172b · ΔE 5.4

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Conversions

HEX

#0c183a

RGB

rgb(12, 24, 58)

HSL

hsl(224.3, 65.7%, 13.7%)

HSV / HSB

hsv(224.3, 79.3%, 22.7%)

CMYK

cmyk(79.3%, 58.6%, 0%, 77.3%)

LAB

lab(9.29, 8.73, -23.62)

LCH

lch(9.29, 25.18, 290.28)

OKLCH

oklch(22.1%, 0.0679, 266.29)

HWB

hwb(224.3, 4.7%, 77.3%)

Harmony colors

Complementary

#3a2e0c

Analogous

#0c2f3a

#0c183a

#170c3a

Triadic

#0c183a

#3a0c18

#183a0c

Split-complementary

#0c183a

#3a170c

#2f3a0c

Tetradic

#0c183a

#2e0c3a

#3a2e0c

#183a0c

Square

#0c183a

#3a0c2f

#3a2e0c

#0c3a17

Shades

Color #0c183a mixed toward black.

#0a1430

#081027

#060c1d

#040813

#02040a

Tints

Color #0c183a mixed toward white.

#193177

#254ab3

#496fd9

#859fe6

#c2cff2

Tones

Color #0c183a mixed toward gray.

#101a36

#141c32

#171d2e

#1b1f2b

#1f2127

Accessibility

Aa White text on this color

17.39:1

Aa Black text on this color

1.21:1

White text reads better on this background (17.39:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#121234 · ΔE 3.5

Deuteranopia

#111032 · ΔE 3.9

Tritanopia

#0d2f2d · ΔE 23.5

Achromatopsia

#1a1a1a · ΔE 16.7

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

Code

CSS

background-color: #0c183a;

Tailwind (arbitrary value)

bg-[#0c183a]

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

#0c183a (#0c183a) is rgb(12, 24, 58) in RGB.

No, #0c183a 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

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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 #0c183a, or check how it holds up for accessibility.

Generate a palette → Check contrast