#0c306e

Color #0c306e

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 15.93 Nearest Tailwind class blue-900 #1c398e · ΔE 5.3

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

Conversions

HEX

#0c306e

RGB

rgb(12, 48, 110)

HSL

hsl(218, 80.3%, 23.9%)

HSV / HSB

hsv(218, 89.1%, 43.1%)

CMYK

cmyk(89.1%, 56.4%, 0%, 56.9%)

LAB

lab(21.27, 13.58, -39.44)

LCH

lch(21.27, 41.71, 289)

OKLCH

oklch(32.6%, 0.1153, 260.67)

HWB

hwb(218, 4.7%, 56.9%)

Harmony colors

Complementary

#6e4a0c

Analogous

#0c616e

#0c306e

#190c6e

Triadic

#0c306e

#6e0c30

#306e0c

Split-complementary

#0c306e

#6e190c

#616e0c

Tetradic

#0c306e

#4a0c6e

#6e4a0c

#306e0c

Square

#0c306e

#6e0c61

#6e4a0c

#0c6e19

Shades

Color #0c306e mixed toward black.

#0a285c

#082049

#061837

#041025

#020812

Tints

Color #0c306e mixed toward white.

#1249a8

#1963e3

#5089ec

#8ab0f2

#c5d8f9

Tones

Color #0c306e mixed toward gray.

#143266

#1c345e

#243655

#2d394d

#353b45

Accessibility

Aa White text on this color

12.62:1

Aa Black text on this color

1.66:1

White text reads better on this background (12.62:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#212163 · ΔE 6.9

Deuteranopia

#1f1c60 · ΔE 8.1

Tritanopia

#0f5a57 · ΔE 28.7

Achromatopsia

#333333 · ΔE 21.9

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

Code

CSS

background-color: #0c306e;

Tailwind (arbitrary value)

bg-[#0c306e]

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

#0c306e (#0c306e) is rgb(12, 48, 110) in RGB.

No, #0c306e 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 #0c306e, or check how it holds up for accessibility.

Generate a palette → Check contrast