#283b3d

Color #283b3d

A muted very dark cyan.

Closest named color Charcoal #36454f · ΔE 7.56 Nearest Tailwind class mist-700 #394447 · ΔE 5

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Conversions

HEX

#283b3d

RGB

rgb(40, 59, 61)

HSL

hsl(185.7, 20.8%, 19.8%)

HSV / HSB

hsv(185.7, 34.4%, 23.9%)

CMYK

cmyk(34.4%, 3.3%, 0%, 76.1%)

LAB

lab(23.39, -6.99, -3.69)

LCH

lch(23.39, 7.9, 207.83)

OKLCH

oklch(33.7%, 0.0246, 204.27)

HWB

hwb(185.7, 15.7%, 76.1%)

Harmony colors

Complementary

#3d2a28

Analogous

#283d34

#283b3d

#28303d

Triadic

#283b3d

#3d283b

#3b3d28

Split-complementary

#283b3d

#3d2830

#3d3428

Tetradic

#283b3d

#2a283d

#3d2a28

#3b3d28

Square

#283b3d

#34283d

#3d2a28

#303d28

Shades

Color #283b3d mixed toward black.

#213133

#1b2729

#141d1e

#0d1414

#070a0a

Tints

Color #283b3d mixed toward white.

#436366

#5e8b8f

#83aaae

#adc6c9

#d6e3e4

Tones

Color #283b3d mixed toward gray.

#2a3a3b

#2b3839

#2d3738

#2f3536

#313434

Accessibility

Aa White text on this color

11.78:1

Aa Black text on this color

1.78:1

White text reads better on this background (11.78:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#31313d · ΔE 13

Deuteranopia

#302f3c · ΔE 14

Tritanopia

#293c3c · ΔE 1.3

Achromatopsia

#383838 · ΔE 8.9

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

Code

CSS

background-color: #283b3d;

Tailwind (arbitrary value)

bg-[#283b3d]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#283b3d (#283b3d) is rgb(40, 59, 61) in RGB.

No, #283b3d 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 #283b3d, or check how it holds up for accessibility.

Generate a palette → Check contrast