#211b37

Color #211b37

A muted very dark blue.

Closest named color Black #000000 · ΔE 23.66 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 7.1

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Conversions

HEX

#211b37

RGB

rgb(33, 27, 55)

HSL

hsl(252.9, 34.1%, 16.1%)

HSV / HSB

hsv(252.9, 50.9%, 21.6%)

CMYK

cmyk(40%, 50.9%, 0%, 78.4%)

LAB

lab(11.84, 10.96, -17.3)

LCH

lch(11.84, 20.48, 302.36)

OKLCH

oklch(24.4%, 0.0524, 291.96)

HWB

hwb(252.9, 10.6%, 78.4%)

Harmony colors

Complementary

#31371b

Analogous

#1b2337

#211b37

#2f1b37

Triadic

#211b37

#37211b

#1b3721

Split-complementary

#211b37

#372f1b

#23371b

Tetradic

#211b37

#371b31

#31371b

#1b3721

Square

#211b37

#371b23

#31371b

#1b372f

Shades

Color #211b37 mixed toward black.

#1c172e

#161225

#110e1c

#0b0912

#060509

Tints

Color #211b37 mixed toward white.

#3e3367

#5b4a97

#7f70b9

#aa9fd0

#d4cfe8

Tones

Color #211b37 mixed toward gray.

#221d35

#242032

#252230

#26242e

#28272b

Accessibility

Aa White text on this color

16.45:1

Aa Black text on this color

1.28:1

White text reads better on this background (16.45:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1f1e32 · ΔE 4.2

Deuteranopia

#1f1f30 · ΔE 5.9

Tritanopia

#212d2c · ΔE 20.1

Achromatopsia

#1f1f1f · ΔE 15.5

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

Code

CSS

background-color: #211b37;

Tailwind (arbitrary value)

bg-[#211b37]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#211b37 (#211b37) is rgb(33, 27, 55) in RGB.

No, #211b37 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 #211b37, or check how it holds up for accessibility.

Generate a palette → Check contrast