#0b232f

Color #0b232f

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 16.21 Nearest Tailwind class cyan-950 #053345 · ΔE 5.8

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Conversions

HEX

#0b232f

RGB

rgb(11, 35, 47)

HSL

hsl(200, 62.1%, 11.4%)

HSV / HSB

hsv(200, 76.6%, 18.4%)

CMYK

cmyk(76.6%, 25.5%, 0%, 81.6%)

LAB

lab(12.47, -4.63, -10.7)

LCH

lch(12.47, 11.66, 246.6)

OKLCH

oklch(24.3%, 0.0375, 232.92)

HWB

hwb(200, 4.3%, 81.6%)

Harmony colors

Complementary

#2f170b

Analogous

#0b2f29

#0b232f

#0b112f

Triadic

#0b232f

#2f0b23

#232f0b

Split-complementary

#0b232f

#2f0b11

#2f290b

Tetradic

#0b232f

#170b2f

#2f170b

#232f0b

Square

#0b232f

#290b2f

#2f170b

#112f0b

Shades

Color #0b232f mixed toward black.

#091d27

#07171f

#061218

#040c10

#020608

Tints

Color #0b232f mixed toward white.

#19516c

#287ea9

#48a5d4

#85c3e2

#c2e1f1

Tones

Color #0b232f mixed toward gray.

#0e222c

#112129

#142026

#171f23

#1a1e20

Accessibility

Aa White text on this color

16.21:1

Aa Black text on this color

1.3:1

White text reads better on this background (16.21:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#18182c · ΔE 13.6

Deuteranopia

#17152c · ΔE 15.5

Tritanopia

#0d2a2a · ΔE 9

Achromatopsia

#202020 · ΔE 9.9

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

Code

CSS

background-color: #0b232f;

Tailwind (arbitrary value)

bg-[#0b232f]

Related colors

Sky Blue #87ceeb

Light Sky Blue #87cefa

Charcoal #36454f

Deep Sky Blue #00bfff

Light Blue #add8e6

Steel Blue #4682b4

Frequently asked questions

#0b232f (#0b232f) is rgb(11, 35, 47) in RGB.

No, #0b232f 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 #0b232f, or check how it holds up for accessibility.

Generate a palette → Check contrast