#0f181f

Color #0f181f

A muted very dark blue.

Closest named color Black #000000 · ΔE 10.03 Nearest Tailwind class mist-900 #161b1d · ΔE 3.5

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Conversions

HEX

#0f181f

RGB

rgb(15, 24, 31)

HSL

hsl(206.3, 34.8%, 9%)

HSV / HSB

hsv(206.3, 51.6%, 12.2%)

CMYK

cmyk(51.6%, 22.6%, 0%, 87.8%)

LAB

lab(7.71, -1.66, -6.2)

LCH

lch(7.71, 6.42, 255.01)

OKLCH

oklch(20.4%, 0.0193, 242.24)

HWB

hwb(206.3, 5.9%, 87.8%)

Harmony colors

Complementary

#1f160f

Analogous

#0f1f1e

#0f181f

#0f101f

Triadic

#0f181f

#1f0f18

#181f0f

Split-complementary

#0f181f

#1f0f10

#1f1e0f

Tetradic

#0f181f

#160f1f

#1f160f

#181f0f

Square

#0f181f

#1e0f1f

#1f160f

#101f0f

Shades

Color #0f181f mixed toward black.

#0c141a

#0a1015

#070c0f

#05080a

#020405

Tints

Color #0f181f mixed toward white.

#284053

#416987

#6390b3

#97b5cd

#cbdae6

Tones

Color #0f181f mixed toward gray.

#10181e

#12181c

#13171b

#14171a

#161718

Accessibility

Aa White text on this color

17.94:1

Aa Black text on this color

1.17:1

White text reads better on this background (17.94:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#13131d · ΔE 6.1

Deuteranopia

#13121d · ΔE 6.9

Tritanopia

#101c1c · ΔE 6.1

Achromatopsia

#171717 · ΔE 5.8

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

Code

CSS

background-color: #0f181f;

Tailwind (arbitrary value)

bg-[#0f181f]

Related colors

Steel Blue #4682b4

Alice Blue #f0f8ff

Charcoal #36454f

Dodger Blue #1e90ff

Light Sky Blue #87cefa

Light Slate Gray #778899

Frequently asked questions

#0f181f (#0f181f) is rgb(15, 24, 31) in RGB.

No, #0f181f 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 #0f181f, or check how it holds up for accessibility.

Generate a palette → Check contrast