#0c172a

Color #0c172a

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 16.54 Nearest Tailwind class gray-900 #101828 · ΔE 1.5

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Conversions

HEX

#0c172a

RGB

rgb(12, 23, 42)

HSL

hsl(218, 55.6%, 10.6%)

HSV / HSB

hsv(218, 71.4%, 16.5%)

CMYK

cmyk(71.4%, 45.2%, 0%, 83.5%)

LAB

lab(7.75, 2.45, -14.41)

LCH

lch(7.75, 14.62, 279.65)

OKLCH

oklch(20.5%, 0.0413, 260.67)

HWB

hwb(218, 4.7%, 83.5%)

Harmony colors

Complementary

#2a1f0c

Analogous

#0c262a

#0c172a

#100c2a

Triadic

#0c172a

#2a0c17

#172a0c

Split-complementary

#0c172a

#2a100c

#262a0c

Tetradic

#0c172a

#1f0c2a

#2a1f0c

#172a0c

Square

#0c172a

#2a0c26

#2a1f0c

#0c2a10

Shades

Color #0c172a mixed toward black.

#0a1323

#080f1c

#060c15

#04080e

#020407

Tints

Color #0c172a mixed toward white.

#1d3765

#2e58a0

#4e7ccc

#89a8dd

#c4d3ee

Tones

Color #0c172a mixed toward gray.

#0f1828

#111825

#141923

#161a20

#191a1e

Accessibility

Aa White text on this color

17.92:1

Aa Black text on this color

1.17:1

White text reads better on this background (17.92:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#111226 · ΔE 4.3

Deuteranopia

#111025 · ΔE 5.1

Tritanopia

#0d2322 · ΔE 15.9

Achromatopsia

#171717 · ΔE 11.1

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

Code

CSS

background-color: #0c172a;

Tailwind (arbitrary value)

bg-[#0c172a]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#0c172a (#0c172a) is rgb(12, 23, 42) in RGB.

No, #0c172a is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

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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 #0c172a, or check how it holds up for accessibility.

Generate a palette → Check contrast