#640d8a

Color #640d8a

A vivid, highly saturated dark purple.

Closest named color Indigo #4b0082 · ΔE 7.69 Nearest Tailwind class purple-900 #59168b · ΔE 2.3

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#640d8a

RGB

rgb(100, 13, 138)

HSL

hsl(281.8, 82.8%, 29.6%)

HSV / HSB

hsv(281.8, 90.6%, 54.1%)

CMYK

cmyk(27.5%, 90.6%, 0%, 45.9%)

LAB

lab(26.25, 53.81, -48.71)

LCH

lch(26.25, 72.58, 317.85)

OKLCH

oklch(38.9%, 0.1847, 311.51)

HWB

hwb(281.8, 5.1%, 45.9%)

Harmony colors

Complementary

#338a0d

Analogous

#260d8a

#640d8a

#8a0d71

Triadic

#640d8a

#8a640d

#0d8a64

Split-complementary

#640d8a

#718a0d

#0d8a26

Tetradic

#640d8a

#8a0d33

#338a0d

#0d8a64

Square

#640d8a

#8a260d

#338a0d

#0d718a

Shades

Color #640d8a mixed toward black.

#530b73

#43095c

#320645

#21042e

#110217

Tints

Color #640d8a mixed toward white.

#8c12c1

#ae24ea

#c25bf0

#d792f5

#ebc8fa

Tones

Color #640d8a mixed toward gray.

#601780

#5c2275

#582c6b

#543760

#504156

Accessibility

Aa White text on this color

10.68:1

Aa Black text on this color

1.97:1

White text reads better on this background (10.68:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#4d4c7a · ΔE 17.3

Deuteranopia

#505575 · ΔE 20.7

Tritanopia

#626b67 · ΔE 32

Achromatopsia

#3e3e3e · ΔE 27.7

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

Code

CSS

background-color: #640d8a;

Tailwind (arbitrary value)

bg-[#640d8a]

Related colors

Dark Violet #9400d3

Dark Orchid #9932cc

Medium Orchid #ba55d3

Indigo #4b0082

Blue Violet #8a2be2

Rebecca Purple #663399

Frequently asked questions

#640d8a (#640d8a) is rgb(100, 13, 138) in RGB.

No, #640d8a 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 #640d8a, or check how it holds up for accessibility.

Generate a palette → Check contrast