#1d1f24

Color #1d1f24

A nearly neutral, gray-leaning very dark blue.

Closest named color Black #000000 · ΔE 12.33 Nearest Tailwind class zinc-900 #18181b · ΔE 2.6

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Conversions

HEX

#1d1f24

RGB

rgb(29, 31, 36)

HSL

hsl(222.9, 10.8%, 12.7%)

HSV / HSB

hsv(222.9, 19.4%, 14.1%)

CMYK

cmyk(19.4%, 13.9%, 0%, 85.9%)

LAB

lab(11.75, 0.44, -3.7)

LCH

lch(11.75, 3.73, 276.78)

OKLCH

oklch(23.9%, 0.01, 268.28)

HWB

hwb(222.9, 11.4%, 85.9%)

Harmony colors

Complementary

#24221d

Analogous

#1d2224

#1d1f24

#1e1d24

Triadic

#1d1f24

#241d1f

#1f241d

Split-complementary

#1d1f24

#241e1d

#22241d

Tetradic

#1d1f24

#221d24

#24221d

#1f241d

Square

#1d1f24

#241d22

#24221d

#1d241e

Shades

Color #1d1f24 mixed toward black.

#181a1e

#131518

#0e0f12

#0a0a0c

#050506

Tints

Color #1d1f24 mixed toward white.

#3e424d

#5f6676

#848b9c

#adb1bd

#d6d8de

Tones

Color #1d1f24 mixed toward gray.

#1d1f23

#1e1f23

#1f2022

#202021

Accessibility

Aa White text on this color

16.49:1

Aa Black text on this color

1.27:1

White text reads better on this background (16.49:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1e1e23 · ΔE 1.3

Deuteranopia

#1e1e23 · ΔE 1.3

Tritanopia

#1d2222 · ΔE 4.7

Achromatopsia

#1f1f1f · ΔE 3.5

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

Code

CSS

background-color: #1d1f24;

Tailwind (arbitrary value)

bg-[#1d1f24]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1d1f24 (#1d1f24) is rgb(29, 31, 36) in RGB.

No, #1d1f24 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 #1d1f24, or check how it holds up for accessibility.

Generate a palette → Check contrast