#151920

Color #151920

A muted very dark blue.

Closest named color Black #000000 · ΔE 10.24 Nearest Tailwind class zinc-900 #18181b · ΔE 3.1

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#151920

RGB

rgb(21, 25, 32)

HSL

hsl(218.2, 20.8%, 10.4%)

HSV / HSB

hsv(218.2, 34.4%, 12.5%)

CMYK

cmyk(34.4%, 21.9%, 0%, 87.5%)

LAB

lab(8.64, 0.24, -5.49)

LCH

lch(8.64, 5.5, 272.5)

OKLCH

oklch(21.3%, 0.0152, 261.66)

HWB

hwb(218.2, 8.2%, 87.5%)

Harmony colors

Complementary

#201c15

Analogous

#151f20

#151920

#171520

Triadic

#151920

#201519

#192015

Split-complementary

#151920

#201715

#1f2015

Tetradic

#151920

#1c1520

#201c15

#192015

Square

#151920

#20151f

#201c15

#152017

Shades

Color #151920 mixed toward black.

#12151b

#0e1115

#0b0d10

#07080b

#040405

Tints

Color #151920 mixed toward white.

#333d4e

#51617c

#7586a5

#a3afc3

#d1d7e1

Tones

Color #151920 mixed toward gray.

#16191f

#171a1e

#181a1d

#191a1c

#1a1a1b

Accessibility

Aa White text on this color

17.62:1

Aa Black text on this color

1.19:1

White text reads better on this background (17.62:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#17171e · ΔE 2.6

Deuteranopia

#17161e · ΔE 3.6

Tritanopia

#151d1d · ΔE 6.4

Achromatopsia

#191919 · ΔE 4.9

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

Code

CSS

background-color: #151920;

Tailwind (arbitrary value)

bg-[#151920]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#151920 (#151920) is rgb(21, 25, 32) in RGB.

No, #151920 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #151920, or check how it holds up for accessibility.

Generate a palette → Check contrast