#211f31

Color #211f31

A muted very dark blue.

Closest named color Black #000000 · ΔE 18.24 Nearest Tailwind class mauve-800 #2a212c · ΔE 4.8

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Conversions

HEX

#211f31

RGB

rgb(33, 31, 49)

HSL

hsl(246.7, 22.5%, 15.7%)

HSV / HSB

hsv(246.7, 36.7%, 19.2%)

CMYK

cmyk(32.7%, 36.7%, 0%, 80.8%)

LAB

lab(12.77, 6.03, -11.55)

LCH

lch(12.77, 13.03, 297.57)

OKLCH

oklch(25%, 0.0338, 288.81)

HWB

hwb(246.7, 12.2%, 80.8%)

Harmony colors

Complementary

#2f311f

Analogous

#1f2631

#211f31

#2a1f31

Triadic

#211f31

#31211f

#1f3121

Split-complementary

#211f31

#312a1f

#26311f

Tetradic

#211f31

#311f2f

#2f311f

#1f3121

Square

#211f31

#311f26

#2f311f

#1f312a

Shades

Color #211f31 mixed toward black.

#1c1a29

#161521

#111019

#0b0a10

#060508

Tints

Color #211f31 mixed toward white.

#3f3b5d

#5c5789

#817bac

#aba7c7

#d5d3e3

Tones

Color #211f31 mixed toward gray.

#222130

#23222e

#25242d

#26252b

#27272a

Accessibility

Aa White text on this color

16.09:1

Aa Black text on this color

1.31:1

White text reads better on this background (16.09:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#20202d · ΔE 3

Deuteranopia

#20202c · ΔE 3.5

Tritanopia

#212a29 · ΔE 14.9

Achromatopsia

#212121 · ΔE 11

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

Code

CSS

background-color: #211f31;

Tailwind (arbitrary value)

bg-[#211f31]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#211f31 (#211f31) is rgb(33, 31, 49) in RGB.

No, #211f31 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 #211f31, or check how it holds up for accessibility.

Generate a palette → Check contrast