#212a42

Color #212a42

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 15.59 Nearest Tailwind class slate-800 #1d293d · ΔE 2.8

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Conversions

HEX

#212a42

RGB

rgb(33, 42, 66)

HSL

hsl(223.6, 33.3%, 19.4%)

HSV / HSB

hsv(223.6, 50%, 25.9%)

CMYK

cmyk(50%, 36.4%, 0%, 74.1%)

LAB

lab(17.33, 3.79, -16.39)

LCH

lch(17.33, 16.82, 283.02)

OKLCH

oklch(28.9%, 0.0459, 267.75)

HWB

hwb(223.6, 12.9%, 74.1%)

Harmony colors

Complementary

#423921

Analogous

#213a42

#212a42

#282142

Triadic

#212a42

#42212a

#2a4221

Split-complementary

#212a42

#422821

#3a4221

Tetradic

#212a42

#392142

#423921

#2a4221

Square

#212a42

#42213a

#423921

#214228

Shades

Color #212a42 mixed toward black.

#1b2337

#161c2c

#101521

#0b0e16

#05070b

Tints

Color #212a42 mixed toward white.

#384770

#4f649d

#7689ba

#a4b0d1

#d1d8e8

Tones

Color #212a42 mixed toward gray.

#242b3f

#262c3c

#292e3a

#2c2f37

#2f3034

Accessibility

Aa White text on this color

14.24:1

Aa Black text on this color

1.47:1

White text reads better on this background (14.24:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#25253d · ΔE 4.1

Deuteranopia

#25243c · ΔE 4.6

Tritanopia

#223938 · ΔE 17.5

Achromatopsia

#2b2b2b · ΔE 12.5

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

Code

CSS

background-color: #212a42;

Tailwind (arbitrary value)

bg-[#212a42]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#212a42 (#212a42) is rgb(33, 42, 66) in RGB.

No, #212a42 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #212a42, or check how it holds up for accessibility.

Generate a palette → Check contrast