#28223f

Color #28223f

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 21.54 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 7.1

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Conversions

HEX

#28223f

RGB

rgb(40, 34, 63)

HSL

hsl(252.4, 29.9%, 19%)

HSV / HSB

hsv(252.4, 46%, 24.7%)

CMYK

cmyk(36.5%, 46%, 0%, 75.3%)

LAB

lab(15.24, 10.87, -17.54)

LCH

lch(15.24, 20.64, 301.79)

OKLCH

oklch(27.4%, 0.053, 292.06)

HWB

hwb(252.4, 13.3%, 75.3%)

Harmony colors

Complementary

#393f22

Analogous

#222a3f

#28223f

#36223f

Triadic

#28223f

#3f2822

#223f28

Split-complementary

#28223f

#3f3622

#2a3f22

Tetradic

#28223f

#3f2239

#393f22

#223f28

Square

#28223f

#3f222a

#393f22

#223f36

Shades

Color #28223f mixed toward black.

#211c34

#1b172a

#14111f

#0d0b15

#07060a

Tints

Color #28223f mixed toward white.

#443a6c

#615298

#8679b7

#aea6cf

#d7d2e7

Tones

Color #28223f mixed toward gray.

#29243d

#2b273a

#2c2938

#2e2c35

#2f2e33

Accessibility

Aa White text on this color

15.1:1

Aa Black text on this color

1.39:1

White text reads better on this background (15.1:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#262539 · ΔE 4.5

Deuteranopia

#262638 · ΔE 5.7

Tritanopia

#283533 · ΔE 20.8

Achromatopsia

#262626 · ΔE 15.5

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

Code

CSS

background-color: #28223f;

Tailwind (arbitrary value)

bg-[#28223f]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#28223f (#28223f) is rgb(40, 34, 63) in RGB.

No, #28223f 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 #28223f, or check how it holds up for accessibility.

Generate a palette → Check contrast