#1c1f21

Color #1c1f21

A nearly neutral, gray-leaning very dark blue.

Closest named color Black #000000 · ΔE 11.71 Nearest Tailwind class mist-900 #161b1d · ΔE 1.9

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Conversions

HEX

#1c1f21

RGB

rgb(28, 31, 33)

HSL

hsl(204, 8.2%, 12%)

HSV / HSB

hsv(204, 15.2%, 12.9%)

CMYK

cmyk(15.2%, 6.1%, 0%, 87.1%)

LAB

lab(11.53, -0.85, -1.84)

LCH

lch(11.53, 2.03, 245.21)

OKLCH

oklch(23.7%, 0.0059, 236.85)

HWB

hwb(204, 11%, 87.1%)

Harmony colors

Complementary

#211e1c

Analogous

#1c2121

#1c1f21

#1c1d21

Triadic

#1c1f21

#211c1f

#1f211c

Split-complementary

#1c1f21

#211c1d

#21211c

Tetradic

#1c1f21

#1e1c21

#211e1c

#1f211c

Square

#1c1f21

#211c21

#211e1c

#1d211c

Shades

Color #1c1f21 mixed toward black.

#171a1c

#131516

#0e1011

#090a0b

#050506

Tints

Color #1c1f21 mixed toward white.

#3e454a

#616b72

#869198

#aeb5ba

#d7dadd

Tones

Color #1c1f21 mixed toward gray.

#1d1f21

#1d1f20

#1e1f1f

Accessibility

Aa White text on this color

16.57:1

Aa Black text on this color

1.27:1

White text reads better on this background (16.57:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1d1d21 · ΔE 2.9

Deuteranopia

#1d1d20 · ΔE 2.4

Tritanopia

#1c2020 · ΔE 1.8

Achromatopsia

#1f1f1f · ΔE 2.1

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

Code

CSS

background-color: #1c1f21;

Tailwind (arbitrary value)

bg-[#1c1f21]

Related colors

Charcoal #36454f

Light Sky Blue #87cefa

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#1c1f21 (#1c1f21) is rgb(28, 31, 33) in RGB.

No, #1c1f21 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 #1c1f21, or check how it holds up for accessibility.

Generate a palette → Check contrast