#1c1c1f

Color #1c1c1f

A nearly neutral, gray-leaning very dark blue.

Closest named color Black #000000 · ΔE 10.61 Nearest Tailwind class zinc-900 #18181b · ΔE 1.3

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Conversions

HEX

#1c1c1f

RGB

rgb(28, 28, 31)

HSL

hsl(240, 5.1%, 11.6%)

HSV / HSB

hsv(240, 9.7%, 12.2%)

CMYK

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

LAB

lab(10.38, 0.79, -2.06)

LCH

lch(10.38, 2.21, 290.98)

OKLCH

oklch(22.8%, 0.0057, 286.22)

HWB

hwb(240, 11%, 87.8%)

Harmony colors

Complementary

#1f1f1c

Analogous

#1c1e1f

#1c1c1f

#1e1c1f

Triadic

#1c1c1f

#1f1c1c

#1c1f1c

Split-complementary

#1c1c1f

#1f1e1c

#1e1f1c

Tetradic

#1c1c1f

#1f1c1f

#1f1f1c

#1c1f1c

Square

#1c1c1f

#1f1c1e

#1f1f1c

#1c1f1e

Shades

Color #1c1c1f mixed toward black.

#17171a

#131315

#0e0e10

#09090a

#050505

Tints

Color #1c1c1f mixed toward white.

#404047

#63636e

#898994

#b0b0b8

#d8d8db

Tones

Color #1c1c1f mixed toward gray.

#1c1c1f

#1d1d1f

#1d1d1e

Accessibility

Aa White text on this color

17:1

Aa Black text on this color

1.24:1

White text reads better on this background (17:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1c1c1e · ΔE 0.7

Deuteranopia

#1c1c1e · ΔE 0.7

Tritanopia

#1c1e1e · ΔE 3

Achromatopsia

#1c1c1c · ΔE 2.3

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

Code

CSS

background-color: #1c1c1f;

Tailwind (arbitrary value)

bg-[#1c1c1f]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#1c1c1f (#1c1c1f) is rgb(28, 28, 31) in RGB.

No, #1c1c1f 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.

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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 #1c1c1f, or check how it holds up for accessibility.

Generate a palette → Check contrast