#1c1d1f

Color #1c1d1f

A nearly neutral, gray-leaning very dark blue.

Closest named color Black #000000 · ΔE 10.85 Nearest Tailwind class zinc-900 #18181b · ΔE 1.9

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Conversions

HEX

#1c1d1f

RGB

rgb(28, 29, 31)

HSL

hsl(220, 5.1%, 11.6%)

HSV / HSB

hsv(220, 9.7%, 12.2%)

CMYK

cmyk(9.7%, 6.5%, 0%, 87.8%)

LAB

lab(10.74, 0.05, -1.54)

LCH

lch(10.74, 1.54, 271.86)

OKLCH

oklch(23.1%, 0.0041, 264.43)

HWB

hwb(220, 11%, 87.8%)

Harmony colors

Complementary

#1f1e1c

Analogous

#1c1f1f

#1c1d1f

#1d1c1f

Triadic

#1c1d1f

#1f1c1d

#1d1f1c

Split-complementary

#1c1d1f

#1f1d1c

#1f1f1c

Tetradic

#1c1d1f

#1e1c1f

#1f1e1c

#1d1f1c

Square

#1c1d1f

#1f1c1f

#1f1e1c

#1c1f1d

Shades

Color #1c1d1f mixed toward black.

#17181a

#131315

#0e0f10

#090a0a

#050505

Tints

Color #1c1d1f mixed toward white.

#404247

#63676e

#898c94

#b0b3b8

#d8d9db

Tones

Color #1c1d1f mixed toward gray.

#1c1d1f

#1d1d1f

#1d1d1e

Accessibility

Aa White text on this color

16.87:1

Aa Black text on this color

1.24:1

White text reads better on this background (16.87:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1c1c1f · ΔE 1.2

Deuteranopia

#1c1c1e · ΔE 0.8

Tritanopia

#1c1e1e · ΔE 1.9

Achromatopsia

#1d1d1d · ΔE 1.5

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

Code

CSS

background-color: #1c1d1f;

Tailwind (arbitrary value)

bg-[#1c1d1f]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1c1d1f (#1c1d1f) is rgb(28, 29, 31) in RGB.

No, #1c1d1f 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 #1c1d1f, or check how it holds up for accessibility.

Generate a palette → Check contrast