#0b313a

Color #0b313a

A moderately saturated very dark cyan.

Closest named color Charcoal #36454f · ΔE 12.06 Nearest Tailwind class cyan-950 #053345 · ΔE 4.7

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Conversions

HEX

#0b313a

RGB

rgb(11, 49, 58)

HSL

hsl(191.5, 68.1%, 13.5%)

HSV / HSB

hsv(191.5, 81%, 22.7%)

CMYK

cmyk(81%, 15.5%, 0%, 77.3%)

LAB

lab(18.25, -9.58, -9.55)

LCH

lch(18.25, 13.53, 224.91)

OKLCH

oklch(29.1%, 0.0444, 216.84)

HWB

hwb(191.5, 4.3%, 77.3%)

Harmony colors

Complementary

#3a140b

Analogous

#0b3a2b

#0b313a

#0b193a

Triadic

#0b313a

#3a0b31

#313a0b

Split-complementary

#0b313a

#3a0b19

#3a2b0b

Tetradic

#0b313a

#140b3a

#3a140b

#313a0b

Square

#0b313a

#2b0b3a

#3a140b

#193a0b

Shades

Color #0b313a mixed toward black.

#092930

#072127

#05181d

#041013

#02080a

Tints

Color #0b313a mixed toward white.

#176578

#2299b5

#46bfdc

#83d4e8

#c1eaf3

Tones

Color #0b313a mixed toward gray.

#0f2e36

#132c32

#172a2e

#1b272a

#1f2526

Accessibility

Aa White text on this color

13.86:1

Aa Black text on this color

1.51:1

White text reads better on this background (13.86:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#212138 · ΔE 18.8

Deuteranopia

#1f1c37 · ΔE 20.9

Tritanopia

#0f3636 · ΔE 5.9

Achromatopsia

#2d2d2d · ΔE 12.4

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

Code

CSS

background-color: #0b313a;

Tailwind (arbitrary value)

bg-[#0b313a]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Powder Blue #b0e0e6

Sky Blue #87ceeb

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Frequently asked questions

#0b313a (#0b313a) is rgb(11, 49, 58) in RGB.

No, #0b313a 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 #0b313a, or check how it holds up for accessibility.

Generate a palette → Check contrast