#211f37

Color #211f37

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 20.36 Nearest Tailwind class slate-900 #0f172b · ΔE 5.6

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Conversions

HEX

#211f37

RGB

rgb(33, 31, 55)

HSL

hsl(245, 27.9%, 16.9%)

HSV / HSB

hsv(245, 43.6%, 21.6%)

CMYK

cmyk(40%, 43.6%, 0%, 78.4%)

LAB

lab(13.1, 8, -15.32)

LCH

lch(13.1, 17.28, 297.57)

OKLCH

oklch(25.4%, 0.0448, 286.61)

HWB

hwb(245, 12.2%, 78.4%)

Harmony colors

Complementary

#35371f

Analogous

#1f2937

#211f37

#2d1f37

Triadic

#211f37

#37211f

#1f3721

Split-complementary

#211f37

#372d1f

#29371f

Tetradic

#211f37

#371f35

#35371f

#1f3721

Square

#211f37

#371f29

#35371f

#1f372d

Shades

Color #211f37 mixed toward black.

#1c1a2e

#161525

#11101c

#0b0a12

#060509

Tints

Color #211f37 mixed toward white.

#3c3964

#575291

#7c77b3

#a8a5cc

#d3d2e6

Tones

Color #211f37 mixed toward gray.

#232135

#242333

#262531

#28272f

#29292d

Accessibility

Aa White text on this color

15.96:1

Aa Black text on this color

1.32:1

White text reads better on this background (15.96:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#202032 · ΔE 3.1

Deuteranopia

#202031 · ΔE 3.5

Tritanopia

#212e2d · ΔE 18.3

Achromatopsia

#222222 · ΔE 13.5

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

Code

CSS

background-color: #211f37;

Tailwind (arbitrary value)

bg-[#211f37]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#211f37 (#211f37) is rgb(33, 31, 55) in RGB.

No, #211f37 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #211f37, or check how it holds up for accessibility.

Generate a palette → Check contrast