#151f1f

Color #151f1f

A muted very dark cyan.

Closest named color Black #000000 · ΔE 11.8 Nearest Tailwind class mist-900 #161b1d · ΔE 3.6

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Conversions

HEX

#151f1f

RGB

rgb(21, 31, 31)

HSL

hsl(180, 19.2%, 10.2%)

HSV / HSB

hsv(180, 32.3%, 12.2%)

CMYK

cmyk(32.3%, 0%, 0%, 87.8%)

LAB

lab(10.84, -4.44, -1.46)

LCH

lch(10.84, 4.67, 198.2)

OKLCH

oklch(23%, 0.0143, 196.28)

HWB

hwb(180, 8.2%, 87.8%)

Harmony colors

Complementary

#1f1515

Analogous

#151f1a

#151f1f

#151a1f

Triadic

#151f1f

#1f151f

#1f1f15

Split-complementary

#151f1f

#1f151a

#1f1a15

Tetradic

#151f1f

#15151f

#1f1515

#1f1f15

Square

#151f1f

#1a151f

#1f1515

#1a1f15

Shades

Color #151f1f mixed toward black.

#121a1a

#0e1515

#0b1010

#070a0a

#040505

Tints

Color #151f1f mixed toward white.

#344c4c

#537a7a

#77a2a2

#a4c1c1

#d2e0e0

Tones

Color #151f1f mixed toward gray.

#161e1e

#171d1d

#181d1d

#181c1c

#191b1b

Accessibility

Aa White text on this color

16.83:1

Aa Black text on this color

1.25:1

White text reads better on this background (16.83:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1a1a1f · ΔE 8

Deuteranopia

#19181f · ΔE 9.6

Tritanopia

#161f1f · ΔE 0.5

Achromatopsia

#1d1d1d · ΔE 5.9

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

Code

CSS

background-color: #151f1f;

Tailwind (arbitrary value)

bg-[#151f1f]

Related colors

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Pale Turquoise #afeeee

Frequently asked questions

#151f1f (#151f1f) is rgb(21, 31, 31) in RGB.

No, #151f1f 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 #151f1f, or check how it holds up for accessibility.

Generate a palette → Check contrast