#0c171f

Color #0c171f

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 10.23 Nearest Tailwind class mist-900 #161b1d · ΔE 4.3

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Conversions

HEX

#0c171f

RGB

rgb(12, 23, 31)

HSL

hsl(205.3, 44.2%, 8.4%)

HSV / HSB

hsv(205.3, 61.3%, 12.2%)

CMYK

cmyk(61.3%, 25.8%, 0%, 87.8%)

LAB

lab(7.13, -1.86, -7.09)

LCH

lch(7.13, 7.33, 255.3)

OKLCH

oklch(19.8%, 0.0227, 240.95)

HWB

hwb(205.3, 4.7%, 87.8%)

Harmony colors

Complementary

#1f140c

Analogous

#0c1f1d

#0c171f

#0c0d1f

Triadic

#0c171f

#1f0c17

#171f0c

Split-complementary

#0c171f

#1f0c0d

#1f1d0c

Tetradic

#0c171f

#140c1f

#1f140c

#171f0c

Square

#0c171f

#1d0c1f

#1f140c

#0d1f0c

Shades

Color #0c171f mixed toward black.

#0a131a

#080f15

#060b0f

#04080a

#020405

Tints

Color #0c171f mixed toward white.

#224157

#376a8f

#5792be

#8fb7d4

#c7dbe9

Tones

Color #0c171f mixed toward gray.

#0e171d

#0f161c

#11161a

#121619

#141617

Accessibility

Aa White text on this color

18.14:1

Aa Black text on this color

1.16:1

White text reads better on this background (18.14:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#11121d · ΔE 6.1

Deuteranopia

#11101d · ΔE 7.6

Tritanopia

#0d1c1b · ΔE 7.8

Achromatopsia

#161616 · ΔE 6.5

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

Code

CSS

background-color: #0c171f;

Tailwind (arbitrary value)

bg-[#0c171f]

Related colors

Charcoal #36454f

Steel Blue #4682b4

Light Sky Blue #87cefa

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#0c171f (#0c171f) is rgb(12, 23, 31) in RGB.

No, #0c171f 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 #0c171f, or check how it holds up for accessibility.

Generate a palette → Check contrast