#212637

Color #212637

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 14.83 Nearest Tailwind class slate-800 #1d293d · ΔE 2.9

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Conversions

HEX

#212637

RGB

rgb(33, 38, 55)

HSL

hsl(226.4, 25%, 17.3%)

HSV / HSB

hsv(226.4, 40%, 21.6%)

CMYK

cmyk(40%, 30.9%, 0%, 78.4%)

LAB

lab(15.41, 2.87, -11.72)

LCH

lch(15.41, 12.07, 283.76)

OKLCH

oklch(27.2%, 0.0325, 271.41)

HWB

hwb(226.4, 12.9%, 78.4%)

Harmony colors

Complementary

#373221

Analogous

#213137

#212637

#272137

Triadic

#212637

#372126

#263721

Split-complementary

#212637

#372721

#313721

Tetradic

#212637

#322137

#373221

#263721

Square

#212637

#372131

#373221

#213727

Shades

Color #212637 mixed toward black.

#1c202e

#161925

#11131c

#0b0d12

#060609

Tints

Color #212637 mixed toward white.

#3b4463

#56638f

#7b87b0

#a7afca

#d3d7e5

Tones

Color #212637 mixed toward gray.

#232735

#252833

#272932

#282a30

#2a2b2e

Accessibility

Aa White text on this color

15.03:1

Aa Black text on this color

1.4:1

White text reads better on this background (15.03:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#232333 · ΔE 2.6

Deuteranopia

#232333 · ΔE 2.6

Tritanopia

#213030 · ΔE 13.3

Achromatopsia

#272727 · ΔE 9.7

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

Code

CSS

background-color: #212637;

Tailwind (arbitrary value)

bg-[#212637]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#212637 (#212637) is rgb(33, 38, 55) in RGB.

No, #212637 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 #212637, or check how it holds up for accessibility.

Generate a palette → Check contrast