#0c121e

Color #0c121e

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 10.47 Nearest Tailwind class slate-950 #020618 · ΔE 2.6

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Conversions

HEX

#0c121e

RGB

rgb(12, 18, 30)

HSL

hsl(220, 42.9%, 8.2%)

HSV / HSB

hsv(220, 60%, 11.8%)

CMYK

cmyk(60%, 40%, 0%, 88.2%)

LAB

lab(5.46, 1.13, -8.86)

LCH

lch(5.46, 8.93, 277.27)

OKLCH

oklch(18.3%, 0.0266, 263.52)

HWB

hwb(220, 4.7%, 88.2%)

Harmony colors

Complementary

#1e180c

Analogous

#0c1b1e

#0c121e

#0f0c1e

Triadic

#0c121e

#1e0c12

#121e0c

Split-complementary

#0c121e

#1e0f0c

#1b1e0c

Tetradic

#0c121e

#180c1e

#1e180c

#121e0c

Square

#0c121e

#1e0c1b

#1e180c

#0c1e0f

Shades

Color #0c121e mixed toward black.

#0a0f19

#080c14

#06090f

#04060a

#020305

Tints

Color #0c121e mixed toward white.

#223356

#38558d

#5879bc

#8fa6d2

#c7d2e9

Tones

Color #0c121e mixed toward gray.

#0d121c

#0f131b

#101319

#121418

#131416

Accessibility

Aa White text on this color

18.73:1

Aa Black text on this color

1.12:1

White text reads better on this background (18.73:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#0f0f1c · ΔE 2.9

Deuteranopia

#0e0e1b · ΔE 2.8

Tritanopia

#0c1919 · ΔE 9.9

Achromatopsia

#121212 · ΔE 7.5

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

Code

CSS

background-color: #0c121e;

Tailwind (arbitrary value)

bg-[#0c121e]

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

#0c121e (#0c121e) is rgb(12, 18, 30) in RGB.

No, #0c121e 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 #0c121e, or check how it holds up for accessibility.

Generate a palette → Check contrast