#0b1931

Color #0b1931

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 20.2 Nearest Tailwind class slate-900 #0f172b · ΔE 2.1

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Conversions

HEX

#0b1931

RGB

rgb(11, 25, 49)

HSL

hsl(217.9, 63.3%, 11.8%)

HSV / HSB

hsv(217.9, 77.6%, 19.2%)

CMYK

cmyk(77.6%, 49%, 0%, 80.8%)

LAB

lab(8.89, 3.71, -17.76)

LCH

lch(8.89, 18.14, 281.8)

OKLCH

oklch(21.6%, 0.0513, 260.46)

HWB

hwb(217.9, 4.3%, 80.8%)

Harmony colors

Complementary

#31230b

Analogous

#0b2c31

#0b1931

#100b31

Triadic

#0b1931

#310b19

#19310b

Split-complementary

#0b1931

#31100b

#2c310b

Tetradic

#0b1931

#230b31

#31230b

#19310b

Square

#0b1931

#310b2c

#31230b

#0b3110

Shades

Color #0b1931 mixed toward black.

#091529

#071121

#060d19

#040810

#020408

Tints

Color #0b1931 mixed toward white.

#19386e

#2758ac

#477cd6

#85a8e3

#c2d3f1

Tones

Color #0b1931 mixed toward gray.

#0e1a2e

#111b2b

#151c28

#181c24

#1b1d21

Accessibility

Aa White text on this color

17.53:1

Aa Black text on this color

1.2:1

White text reads better on this background (17.53:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#12122c · ΔE 5.5

Deuteranopia

#11102b · ΔE 5.8

Tritanopia

#0c2827 · ΔE 18.5

Achromatopsia

#191919 · ΔE 13.1

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

Code

CSS

background-color: #0b1931;

Tailwind (arbitrary value)

bg-[#0b1931]

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

#0b1931 (#0b1931) is rgb(11, 25, 49) in RGB.

No, #0b1931 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 #0b1931, or check how it holds up for accessibility.

Generate a palette → Check contrast