#181a1c

Color #181a1c

A nearly neutral, gray-leaning very dark blue.

Closest named color Black #000000 · ΔE 9.3 Nearest Tailwind class zinc-900 #18181b · ΔE 1.9

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Conversions

HEX

#181a1c

RGB

rgb(24, 26, 28)

HSL

hsl(210, 7.7%, 10.2%)

HSV / HSB

hsv(210, 14.3%, 11%)

CMYK

cmyk(14.3%, 7.1%, 0%, 89%)

LAB

lab(9.13, -0.41, -1.72)

LCH

lch(9.13, 1.77, 256.59)

OKLCH

oklch(21.7%, 0.005, 247.56)

HWB

hwb(210, 9.4%, 89%)

Harmony colors

Complementary

#1c1a18

Analogous

#181c1c

#181a1c

#18181c

Triadic

#181a1c

#1c181a

#1a1c18

Split-complementary

#181a1c

#1c1818

#1c1c18

Tetradic

#181a1c

#1a181c

#1c1a18

#1a1c18

Square

#181a1c

#1c181c

#1c1a18

#181c18

Shades

Color #181a1c mixed toward black.

#141617

#101113

#0c0d0e

#080909

#040405

Tints

Color #181a1c mixed toward white.

#3b4045

#5e666e

#848d95

#adb3b9

#d6d9dc

Tones

Color #181a1c mixed toward gray.

#181a1c

#191a1b

#1a1a1a

Accessibility

Aa White text on this color

17.45:1

Aa Black text on this color

1.2:1

White text reads better on this background (17.45:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#19191c · ΔE 1.8

Deuteranopia

#19191b · ΔE 1.4

Tritanopia

#181b1b · ΔE 1.9

Achromatopsia

#1a1a1a · ΔE 1.8

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

Code

CSS

background-color: #181a1c;

Tailwind (arbitrary value)

bg-[#181a1c]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Light Steel Blue #b0c4de

Frequently asked questions

#181a1c (#181a1c) is rgb(24, 26, 28) in RGB.

No, #181a1c 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 #181a1c, or check how it holds up for accessibility.

Generate a palette → Check contrast