#283d5c

Color #283d5c

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 14.35 Nearest Tailwind class slate-700 #314158 · ΔE 3.1

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Conversions

HEX

#283d5c

RGB

rgb(40, 61, 92)

HSL

hsl(215.8, 39.4%, 25.9%)

HSV / HSB

hsv(215.8, 56.5%, 36.1%)

CMYK

cmyk(56.5%, 33.7%, 0%, 63.9%)

LAB

lab(25.45, 1.9, -21.03)

LCH

lch(25.45, 21.12, 275.16)

OKLCH

oklch(35.8%, 0.0605, 257.98)

HWB

hwb(215.8, 15.7%, 63.9%)

Harmony colors

Complementary

#5c4728

Analogous

#28575c

#283d5c

#2d285c

Triadic

#283d5c

#5c283d

#3d5c28

Split-complementary

#283d5c

#5c2d28

#575c28

Tetradic

#283d5c

#47285c

#5c4728

#3d5c28

Square

#283d5c

#5c2857

#5c4728

#285c2d

Shades

Color #283d5c mixed toward black.

#21334d

#1b293d

#141f2e

#0d141f

#070a0f

Tints

Color #283d5c mixed toward white.

#3b5a88

#4f77b3

#7b99c6

#a7bbd9

#d3ddec

Tones

Color #283d5c mixed toward gray.

#2c3e58

#313f53

#35404f

#39404b

#3e4146

Accessibility

Aa White text on this color

10.98:1

Aa Black text on this color

1.91:1

White text reads better on this background (10.98:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#323256 · ΔE 8

Deuteranopia

#312f54 · ΔE 8.9

Tritanopia

#29504f · ΔE 19.2

Achromatopsia

#3c3c3c · ΔE 14.4

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

Code

CSS

background-color: #283d5c;

Tailwind (arbitrary value)

bg-[#283d5c]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#283d5c (#283d5c) is rgb(40, 61, 92) in RGB.

No, #283d5c 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 #283d5c, or check how it holds up for accessibility.

Generate a palette → Check contrast