#28233e

Color #28233e

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 20.23 Nearest Tailwind class mauve-800 #2a212c · ΔE 7.3

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Conversions

HEX

#28233e

RGB

rgb(40, 35, 62)

HSL

hsl(251.1, 27.8%, 19%)

HSV / HSB

hsv(251.1, 43.5%, 24.3%)

CMYK

cmyk(35.5%, 43.5%, 0%, 75.7%)

LAB

lab(15.49, 9.82, -16.45)

LCH

lch(15.49, 19.16, 300.84)

OKLCH

oklch(27.5%, 0.0494, 291.26)

HWB

hwb(251.1, 13.7%, 75.7%)

Harmony colors

Complementary

#393e23

Analogous

#232b3e

#28233e

#35233e

Triadic

#28233e

#3e2823

#233e28

Split-complementary

#28233e

#3e3523

#2b3e23

Tetradic

#28233e

#3e2339

#393e23

#233e28

Square

#28233e

#3e232b

#393e23

#233e35

Shades

Color #28233e mixed toward black.

#211d34

#1b1729

#14111f

#0d0c15

#07060a

Tints

Color #28233e mixed toward white.

#443c6a

#615596

#867bb4

#aea7cd

#d7d3e6

Tones

Color #28233e mixed toward gray.

#29253c

#2b2739

#2c2a37

#2e2c35

#2f2e33

Accessibility

Aa White text on this color

15:1

Aa Black text on this color

1.4:1

White text reads better on this background (15:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#262639 · ΔE 4.4

Deuteranopia

#262737 · ΔE 6.1

Tritanopia

#283433 · ΔE 19.3

Achromatopsia

#272727 · ΔE 14.7

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

Code

CSS

background-color: #28233e;

Tailwind (arbitrary value)

bg-[#28233e]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#28233e (#28233e) is rgb(40, 35, 62) in RGB.

No, #28233e 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 #28233e, or check how it holds up for accessibility.

Generate a palette → Check contrast