#0b2839

Color #0b2839

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 14.86 Nearest Tailwind class cyan-950 #053345 · ΔE 4.4

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Conversions

HEX

#0b2839

RGB

rgb(11, 40, 57)

HSL

hsl(202.2, 67.6%, 13.3%)

HSV / HSB

hsv(202.2, 80.7%, 22.4%)

CMYK

cmyk(80.7%, 29.8%, 0%, 77.6%)

LAB

lab(14.87, -3.97, -14.08)

LCH

lch(14.87, 14.63, 254.25)

OKLCH

oklch(26.4%, 0.0467, 238.05)

HWB

hwb(202.2, 4.3%, 77.6%)

Harmony colors

Complementary

#391c0b

Analogous

#0b3933

#0b2839

#0b1139

Triadic

#0b2839

#390b28

#28390b

Split-complementary

#0b2839

#390b11

#39330b

Tetradic

#0b2839

#1c0b39

#391c0b

#28390b

Square

#0b2839

#330b39

#391c0b

#11390b

Shades

Color #0b2839 mixed toward black.

#09212f

#071b26

#05141c

#040d13

#020709

Tints

Color #0b2839 mixed toward white.

#175377

#237fb4

#46a4db

#83c2e7

#c1e1f3

Tones

Color #0b2839 mixed toward gray.

#0f2735

#132631

#16252d

#1a242a

#1e2326

Accessibility

Aa White text on this color

15.25:1

Aa Black text on this color

1.38:1

White text reads better on this background (15.25:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1b1b35 · ΔE 14

Deuteranopia

#1a1735 · ΔE 15.6

Tritanopia

#0e3232 · ΔE 12

Achromatopsia

#252525 · ΔE 11.4

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

Code

CSS

background-color: #0b2839;

Tailwind (arbitrary value)

bg-[#0b2839]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Sky Blue #87ceeb

Steel Blue #4682b4

Alice Blue #f0f8ff

Deep Sky Blue #00bfff

Frequently asked questions

#0b2839 (#0b2839) is rgb(11, 40, 57) in RGB.

No, #0b2839 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 #0b2839, or check how it holds up for accessibility.

Generate a palette → Check contrast