#212840

Color #212840

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 16.39 Nearest Tailwind class slate-800 #1d293d · ΔE 3.5

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Conversions

HEX

#212840

RGB

rgb(33, 40, 64)

HSL

hsl(226.5, 32%, 19%)

HSV / HSB

hsv(226.5, 48.4%, 25.1%)

CMYK

cmyk(48.4%, 37.5%, 0%, 74.9%)

LAB

lab(16.56, 4.52, -16.22)

LCH

lch(16.56, 16.84, 285.57)

OKLCH

oklch(28.2%, 0.0455, 270.88)

HWB

hwb(226.5, 12.9%, 74.9%)

Harmony colors

Complementary

#403921

Analogous

#213740

#212840

#292140

Triadic

#212840

#402128

#284021

Split-complementary

#212840

#402921

#374021

Tetradic

#212840

#392140

#403921

#284021

Square

#212840

#402137

#403921

#214029

Shades

Color #212840 mixed toward black.

#1b2135

#161b2b

#101420

#0b0d15

#05070b

Tints

Color #212840 mixed toward white.

#38446d

#50619b

#7786b9

#a4aed0

#d2d7e8

Tones

Color #212840 mixed toward gray.

#24293d

#262b3b

#292c38

#2b2e36

#2e2f33

Accessibility

Aa White text on this color

14.56:1

Aa Black text on this color

1.44:1

White text reads better on this background (14.56:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#24243b · ΔE 3.2

Deuteranopia

#24233a · ΔE 3.7

Tritanopia

#213736 · ΔE 17.9

Achromatopsia

#292929 · ΔE 12.6

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

Code

CSS

background-color: #212840;

Tailwind (arbitrary value)

bg-[#212840]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#212840 (#212840) is rgb(33, 40, 64) in RGB.

No, #212840 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.

Try it → Accessibility

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 #212840, or check how it holds up for accessibility.

Generate a palette → Check contrast