#21253e

Color #21253e

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 18.07 Nearest Tailwind class slate-800 #1d293d · ΔE 5.1

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Conversions

HEX

#21253e

RGB

rgb(33, 37, 62)

HSL

hsl(231.7, 30.5%, 18.6%)

HSV / HSB

hsv(231.7, 46.8%, 24.3%)

CMYK

cmyk(46.8%, 40.3%, 0%, 75.7%)

LAB

lab(15.46, 5.99, -16.55)

LCH

lch(15.46, 17.6, 289.9)

OKLCH

oklch(27.3%, 0.0466, 275.91)

HWB

hwb(231.7, 12.9%, 75.7%)

Harmony colors

Complementary

#3e3a21

Analogous

#21333e

#21253e

#2b213e

Triadic

#21253e

#3e2125

#253e21

Split-complementary

#21253e

#3e2b21

#333e21

Tetradic

#21253e

#3a213e

#3e3a21

#253e21

Square

#21253e

#3e2133

#3e3a21

#213e2b

Shades

Color #21253e mixed toward black.

#1b1f34

#161929

#10121f

#0b0c15

#05060a

Tints

Color #21253e mixed toward white.

#39406b

#515b98

#7880b7

#a5abcf

#d2d5e7

Tones

Color #21253e mixed toward gray.

#23273b

#262839

#282a37

#2b2c34

#2d2e32

Accessibility

Aa White text on this color

15.01:1

Aa Black text on this color

1.4:1

White text reads better on this background (15.01:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#232339 · ΔE 1.9

Deuteranopia

#232238 · ΔE 2.4

Tritanopia

#213534 · ΔE 18.7

Achromatopsia

#272727 · ΔE 13.2

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

Code

CSS

background-color: #21253e;

Tailwind (arbitrary value)

bg-[#21253e]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#21253e (#21253e) is rgb(33, 37, 62) in RGB.

No, #21253e 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 #21253e, or check how it holds up for accessibility.

Generate a palette → Check contrast