#28292b

Color #28292b

A nearly neutral, gray-leaning very dark blue.

Closest named color Charcoal #36454f · ΔE 13.9 Nearest Tailwind class zinc-800 #27272a · ΔE 1.2

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#28292b

RGB

rgb(40, 41, 43)

HSL

hsl(220, 3.6%, 16.3%)

HSV / HSB

hsv(220, 7%, 16.9%)

CMYK

cmyk(7%, 4.7%, 0%, 83.1%)

LAB

lab(16.56, 0.05, -1.46)

LCH

lch(16.56, 1.46, 271.96)

OKLCH

oklch(28.1%, 0.0039, 264.14)

HWB

hwb(220, 15.7%, 83.1%)

Harmony colors

Complementary

#2b2a28

Analogous

#282b2b

#28292b

#29282b

Triadic

#28292b

#2b2829

#292b28

Split-complementary

#28292b

#2b2928

#2b2b28

Tetradic

#28292b

#2a282b

#2b2a28

#292b28

Square

#28292b

#2b282b

#2b2a28

#282b29

Shades

Color #28292b mixed toward black.

#212224

#1b1b1d

#141516

#0d0e0e

#070707

Tints

Color #28292b mixed toward white.

#4a4c50

#6d6f75

#909398

#b5b7ba

#dadbdd

Tones

Color #28292b mixed toward gray.

#28292b

#29292b

#29292a

Accessibility

Aa White text on this color

14.56:1

Aa Black text on this color

1.44:1

White text reads better on this background (14.56:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#28282b · ΔE 1.1

Deuteranopia

#28282a · ΔE 0.7

Tritanopia

#282a2a · ΔE 1.8

Achromatopsia

#292929 · ΔE 1.4

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

Code

CSS

background-color: #28292b;

Tailwind (arbitrary value)

bg-[#28292b]

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

#28292b (#28292b) is rgb(40, 41, 43) in RGB.

No, #28292b 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

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 #28292b, or check how it holds up for accessibility.

Generate a palette → Check contrast