#0c283f

Color #0c283f

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 16.46 Nearest Tailwind class sky-950 #052f4a · ΔE 2.9

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#0c283f

RGB

rgb(12, 40, 63)

HSL

hsl(207.1, 68%, 14.7%)

HSV / HSB

hsv(207.1, 81%, 24.7%)

CMYK

cmyk(81%, 36.5%, 0%, 75.3%)

LAB

lab(15.25, -1.23, -17.67)

LCH

lch(15.25, 17.71, 266.02)

OKLCH

oklch(26.9%, 0.0546, 246.58)

HWB

hwb(207.1, 4.7%, 75.3%)

Harmony colors

Complementary

#3f230c

Analogous

#0c3f3d

#0c283f

#0c0e3f

Triadic

#0c283f

#3f0c28

#283f0c

Split-complementary

#0c283f

#3f0c0e

#3f3d0c

Tetradic

#0c283f

#230c3f

#3f230c

#283f0c

Square

#0c283f

#3d0c3f

#3f230c

#0e3f0c

Shades

Color #0c283f mixed toward black.

#0a2134

#081b2a

#06141f

#040d15

#02070a

Tints

Color #0c283f mixed toward white.

#184f7c

#2375b9

#4899dc

#85bbe8

#c2ddf3

Tones

Color #0c283f mixed toward gray.

#10283b

#142736

#192732

#1d262e

#21262a

Accessibility

Aa White text on this color

15.1:1

Aa Black text on this color

1.39:1

White text reads better on this background (15.1:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1b1c3a · ΔE 11

Deuteranopia

#1a1839 · ΔE 12.3

Tritanopia

#0e3635 · ΔE 16.2

Achromatopsia

#262626 · ΔE 12.7

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

Code

CSS

background-color: #0c283f;

Tailwind (arbitrary value)

bg-[#0c283f]

Related colors

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Charcoal #36454f

Frequently asked questions

#0c283f (#0c283f) is rgb(12, 40, 63) in RGB.

No, #0c283f is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #0c283f, or check how it holds up for accessibility.

Generate a palette → Check contrast