#0a121f

Color #0a121f

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 11.18 Nearest Tailwind class gray-900 #101828 · ΔE 2.7

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

Conversions

HEX

#0a121f

RGB

rgb(10, 18, 31)

HSL

hsl(217.1, 51.2%, 8%)

HSV / HSB

hsv(217.1, 67.7%, 12.2%)

CMYK

cmyk(67.7%, 41.9%, 0%, 87.8%)

LAB

lab(5.38, 0.91, -9.76)

LCH

lch(5.38, 9.8, 275.33)

OKLCH

oklch(18.2%, 0.0296, 259.87)

HWB

hwb(217.1, 3.9%, 87.8%)

Harmony colors

Complementary

#1f170a

Analogous

#0a1c1f

#0a121f

#0c0a1f

Triadic

#0a121f

#1f0a12

#121f0a

Split-complementary

#0a121f

#1f0c0a

#1c1f0a

Tetradic

#0a121f

#170a1f

#1f170a

#121f0a

Square

#0a121f

#1f0a1c

#1f170a

#0a1f0c

Shades

Color #0a121f mixed toward black.

#080f1a

#070c15

#05090f

#03060a

#020305

Tints

Color #0a121f mixed toward white.

#1d345a

#305795

#4e7bc6

#89a7d9

#c4d3ec

Tones

Color #0a121f mixed toward gray.

#0c121d

#0d131b

#0f131a

#111418

#131416

Accessibility

Aa White text on this color

18.76:1

Aa Black text on this color

1.12:1

White text reads better on this background (18.76:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#0e0e1c · ΔE 3.5

Deuteranopia

#0d0d1c · ΔE 3.7

Tritanopia

#0a1a1a · ΔE 10.8

Achromatopsia

#121212 · ΔE 8.1

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

Code

CSS

background-color: #0a121f;

Tailwind (arbitrary value)

bg-[#0a121f]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#0a121f (#0a121f) is rgb(10, 18, 31) in RGB.

No, #0a121f 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #0a121f, or check how it holds up for accessibility.

Generate a palette → Check contrast