#282839

Color #282839

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 14.33 Nearest Tailwind class slate-800 #1d293d · ΔE 5.4

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Conversions

HEX

#282839

RGB

rgb(40, 40, 57)

HSL

hsl(240, 17.5%, 19%)

HSV / HSB

hsv(240, 29.8%, 22.4%)

CMYK

cmyk(29.8%, 29.8%, 0%, 77.6%)

LAB

lab(16.82, 4.67, -10.9)

LCH

lch(16.82, 11.86, 293.19)

OKLCH

oklch(28.5%, 0.031, 284.17)

HWB

hwb(240, 15.7%, 77.6%)

Harmony colors

Complementary

#393928

Analogous

#283039

#282839

#302839

Triadic

#282839

#392828

#283928

Split-complementary

#282839

#393028

#303928

Tetradic

#282839

#392839

#393928

#283928

Square

#282839

#392830

#393928

#283930

Shades

Color #282839 mixed toward black.

#21212f

#1b1b26

#14141c

#0d0d13

#070709

Tints

Color #282839 mixed toward white.

#444461

#61618a

#8686aa

#aeaec6

#d7d7e3

Tones

Color #282839 mixed toward gray.

#292938

#2b2b36

#2c2c35

#2e2e33

#2f2f32

Accessibility

Aa White text on this color

14.45:1

Aa Black text on this color

1.45:1

White text reads better on this background (14.45:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#282835 · ΔE 2

Deuteranopia

#282835 · ΔE 2

Tritanopia

#283232 · ΔE 13.3

Achromatopsia

#292929 · ΔE 10

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

Code

CSS

background-color: #282839;

Tailwind (arbitrary value)

bg-[#282839]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#282839 (#282839) is rgb(40, 40, 57) in RGB.

No, #282839 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 #282839, or check how it holds up for accessibility.

Generate a palette → Check contrast