#28008f

Color #28008f

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 4.15 Nearest Tailwind class violet-900 #4d179a · ΔE 5.9

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Conversions

HEX

#28008f

RGB

rgb(40, 0, 143)

HSL

hsl(256.8, 100%, 28%)

HSV / HSB

hsv(256.8, 100%, 56.1%)

CMYK

cmyk(72%, 100%, 0%, 43.9%)

LAB

lab(17.62, 52.31, -66.35)

LCH

lch(17.62, 84.49, 308.25)

OKLCH

oklch(31.5%, 0.1932, 277.97)

HWB

hwb(256.8, 0%, 43.9%)

Harmony colors

Complementary

#678f00

Analogous

#001f8f

#28008f

#6f008f

Triadic

#28008f

#8f2800

#008f28

Split-complementary

#28008f

#8f6f00

#1f8f00

Tetradic

#28008f

#8f0067

#678f00

#008f28

Square

#28008f

#8f001f

#678f00

#008f6f

Shades

Color #28008f mixed toward black.

#210077

#1b005f

#140047

#0d0030

#070018

Tints

Color #28008f mixed toward white.

#3900cc

#4f0aff

#7b47ff

#a785ff

#d3c2ff

Tones

Color #28008f mixed toward gray.

#2d0c83

#321877

#38246b

#3d305f

#423c53

Accessibility

Aa White text on this color

14.12:1

Aa Black text on this color

1.49:1

White text reads better on this background (14.12:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1d1c7e · ΔE 5.4

Deuteranopia

#1e2179 · ΔE 7.1

Tritanopia

#276e6a · ΔE 38.8

Achromatopsia

#2b2b2b · ΔE 29.1

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

Code

CSS

background-color: #28008f;

Tailwind (arbitrary value)

bg-[#28008f]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Rebecca Purple #663399

Blue Violet #8a2be2

Frequently asked questions

#28008f (#28008f) is rgb(40, 0, 143) in RGB.

No, #28008f 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.

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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 #28008f, or check how it holds up for accessibility.

Generate a palette → Check contrast