#212f4e

Color #212f4e

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 17.47 Nearest Tailwind class slate-800 #1d293d · ΔE 4.7

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Conversions

HEX

#212f4e

RGB

rgb(33, 47, 78)

HSL

hsl(221.3, 40.5%, 21.8%)

HSV / HSB

hsv(221.3, 57.7%, 30.6%)

CMYK

cmyk(57.7%, 39.7%, 0%, 69.4%)

LAB

lab(19.66, 4.61, -20.89)

LCH

lch(19.66, 21.39, 282.44)

OKLCH

oklch(30.9%, 0.0592, 264.77)

HWB

hwb(221.3, 12.9%, 69.4%)

Harmony colors

Complementary

#4e4021

Analogous

#21464e

#212f4e

#2a214e

Triadic

#212f4e

#4e212f

#2f4e21

Split-complementary

#212f4e

#4e2a21

#464e21

Tetradic

#212f4e

#40214e

#4e4021

#2f4e21

Square

#212f4e

#4e2146

#4e4021

#214e2a

Shades

Color #212f4e mixed toward black.

#1c2741

#161f34

#111827

#0b101a

#06080d

Tints

Color #212f4e mixed toward white.

#354b7d

#4967ab

#738cc4

#a2b2d7

#d0d9eb

Tones

Color #212f4e mixed toward gray.

#25314a

#293247

#2c3343

#30353f

#34363b

Accessibility

Aa White text on this color

13.28:1

Aa Black text on this color

1.58:1

White text reads better on this background (13.28:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#282848 · ΔE 5.3

Deuteranopia

#272646 · ΔE 5.8

Tritanopia

#224341 · ΔE 20.8

Achromatopsia

#303030 · ΔE 14.7

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

Code

CSS

background-color: #212f4e;

Tailwind (arbitrary value)

bg-[#212f4e]

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

#212f4e (#212f4e) is rgb(33, 47, 78) in RGB.

No, #212f4e 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 #212f4e, or check how it holds up for accessibility.

Generate a palette → Check contrast