#283c56

Color #283c56

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 11.37 Nearest Tailwind class slate-700 #314158 · ΔE 2.2

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Conversions

HEX

#283c56

RGB

rgb(40, 60, 86)

HSL

hsl(213.9, 36.5%, 24.7%)

HSV / HSB

hsv(213.9, 53.5%, 33.7%)

CMYK

cmyk(53.5%, 30.2%, 0%, 66.3%)

LAB

lab(24.81, 0.44, -18.1)

LCH

lch(24.81, 18.11, 271.39)

OKLCH

oklch(35.2%, 0.0524, 255.41)

HWB

hwb(213.9, 15.7%, 66.3%)

Harmony colors

Complementary

#564228

Analogous

#285356

#283c56

#2b2856

Triadic

#283c56

#56283c

#3c5628

Split-complementary

#283c56

#562b28

#535628

Tetradic

#283c56

#422856

#564228

#3c5628

Square

#283c56

#562853

#564228

#28562b

Shades

Color #283c56 mixed toward black.

#213248

#1b2839

#141e2b

#0d141d

#070a0e

Tints

Color #283c56 mixed toward white.

#3c5a82

#5179ad

#7c9ac2

#a8bcd6

#d3ddeb

Tones

Color #283c56 mixed toward gray.

#2c3c52

#303d4e

#333d4a

#373e47

#3b3e43

Accessibility

Aa White text on this color

11.22:1

Aa Black text on this color

1.87:1

White text reads better on this background (11.22:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#323251 · ΔE 8.8

Deuteranopia

#312f4f · ΔE 9.8

Tritanopia

#294c4b · ΔE 17.1

Achromatopsia

#3b3b3b · ΔE 12.9

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

Code

CSS

background-color: #283c56;

Tailwind (arbitrary value)

bg-[#283c56]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Cornflower Blue #6495ed

Alice Blue #f0f8ff

Frequently asked questions

#283c56 (#283c56) is rgb(40, 60, 86) in RGB.

No, #283c56 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 #283c56, or check how it holds up for accessibility.

Generate a palette → Check contrast