#211b33

Color #211b33

A muted very dark blue.

Closest named color Black #000000 · ΔE 21.14 Nearest Tailwind class mauve-800 #2a212c · ΔE 6.5

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Conversions

HEX

#211b33

RGB

rgb(33, 27, 51)

HSL

hsl(255, 30.8%, 15.3%)

HSV / HSB

hsv(255, 47.1%, 20%)

CMYK

cmyk(35.3%, 47.1%, 0%, 80%)

LAB

lab(11.59, 9.64, -14.82)

LCH

lch(11.59, 17.68, 303.04)

OKLCH

oklch(24.2%, 0.0454, 294.19)

HWB

hwb(255, 10.6%, 80%)

Harmony colors

Complementary

#2d331b

Analogous

#1b2133

#211b33

#2d1b33

Triadic

#211b33

#33211b

#1b3321

Split-complementary

#211b33

#332d1b

#21331b

Tetradic

#211b33

#331b2d

#2d331b

#1b3321

Square

#211b33

#331b21

#2d331b

#1b332d

Shades

Color #211b33 mixed toward black.

#1c162b

#161222

#110d1a

#0b0911

#060409

Tints

Color #211b33 mixed toward white.

#3f3462

#5e4d91

#8272b4

#aca1cd

#d5d0e6

Tones

Color #211b33 mixed toward gray.

#221d31

#231f2f

#24212d

#25232b

#262529

Accessibility

Aa White text on this color

16.55:1

Aa Black text on this color

1.27:1

White text reads better on this background (16.55:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1f1e2e · ΔE 4.7

Deuteranopia

#1f1f2d · ΔE 6

Tritanopia

#212a29 · ΔE 18.2

Achromatopsia

#1f1f1f · ΔE 14.1

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

Code

CSS

background-color: #211b33;

Tailwind (arbitrary value)

bg-[#211b33]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#211b33 (#211b33) is rgb(33, 27, 51) in RGB.

No, #211b33 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 #211b33, or check how it holds up for accessibility.

Generate a palette → Check contrast