#212a3d

Color #212a3d

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 13.61 Nearest Tailwind class slate-800 #1d293d · ΔE 1.2

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Conversions

HEX

#212a3d

RGB

rgb(33, 42, 61)

HSL

hsl(220.7, 29.8%, 18.4%)

HSV / HSB

hsv(220.7, 45.9%, 23.9%)

CMYK

cmyk(45.9%, 31.1%, 0%, 76.1%)

LAB

lab(17.07, 2.04, -13.35)

LCH

lch(17.07, 13.5, 278.69)

OKLCH

oklch(28.6%, 0.0374, 264.63)

HWB

hwb(220.7, 12.9%, 76.1%)

Harmony colors

Complementary

#3d3421

Analogous

#21383d

#212a3d

#26213d

Triadic

#212a3d

#3d212a

#2a3d21

Split-complementary

#212a3d

#3d2621

#383d21

Tetradic

#212a3d

#34213d

#3d3421

#2a3d21

Square

#212a3d

#3d2138

#3d3421

#213d26

Shades

Color #212a3d mixed toward black.

#1b2333

#161c29

#10151e

#0b0e14

#05070a

Tints

Color #212a3d mixed toward white.

#39496a

#526897

#788cb6

#a5b2ce

#d2d9e7

Tones

Color #212a3d mixed toward gray.

#232b3b

#262c38

#282c36

#2a2d34

#2d2e31

Accessibility

Aa White text on this color

14.35:1

Aa Black text on this color

1.46:1

White text reads better on this background (14.35:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#252539 · ΔE 4.8

Deuteranopia

#252438 · ΔE 5.3

Tritanopia

#223635 · ΔE 14.7

Achromatopsia

#2a2a2a · ΔE 10.5

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

Code

CSS

background-color: #212a3d;

Tailwind (arbitrary value)

bg-[#212a3d]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#212a3d (#212a3d) is rgb(33, 42, 61) in RGB.

No, #212a3d 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 #212a3d, or check how it holds up for accessibility.

Generate a palette → Check contrast