#0c172c

Color #0c172c

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 17.87 Nearest Tailwind class slate-900 #0f172b · ΔE 1

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Conversions

HEX

#0c172c

RGB

rgb(12, 23, 44)

HSL

hsl(219.4, 57.1%, 11%)

HSV / HSB

hsv(219.4, 72.7%, 17.3%)

CMYK

cmyk(72.7%, 47.7%, 0%, 82.7%)

LAB

lab(7.88, 3.32, -15.69)

LCH

lch(7.88, 16.04, 281.95)

OKLCH

oklch(20.7%, 0.0449, 262.19)

HWB

hwb(219.4, 4.7%, 82.7%)

Harmony colors

Complementary

#2c210c

Analogous

#0c272c

#0c172c

#110c2c

Triadic

#0c172c

#2c0c17

#172c0c

Split-complementary

#0c172c

#2c110c

#272c0c

Tetradic

#0c172c

#210c2c

#2c210c

#172c0c

Square

#0c172c

#2c0c27

#2c210c

#0c2c11

Shades

Color #0c172c mixed toward black.

#0a1325

#080f1d

#060c16

#04080f

#020407

Tints

Color #0c172c mixed toward white.

#1c3667

#2c55a3

#4d79ce

#88a6df

#c4d2ef

Tones

Color #0c172c mixed toward gray.

#0f1829

#111927

#141a24

#171a21

#191b1f

Accessibility

Aa White text on this color

17.88:1

Aa Black text on this color

1.17:1

White text reads better on this background (17.88:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#111228 · ΔE 4.1

Deuteranopia

#111027 · ΔE 4.8

Tritanopia

#0d2424 · ΔE 16.6

Achromatopsia

#171717 · ΔE 12

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

Code

CSS

background-color: #0c172c;

Tailwind (arbitrary value)

bg-[#0c172c]

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

#0c172c (#0c172c) is rgb(12, 23, 44) in RGB.

No, #0c172c is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

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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 #0c172c, or check how it holds up for accessibility.

Generate a palette → Check contrast