#643b82

Color #643b82

A muted dark purple.

Closest named color Dark Slate Blue #483d8b · ΔE 10.98 Nearest Tailwind class fuchsia-900 #721378 · ΔE 8.4

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

Conversions

HEX

#643b82

RGB

rgb(100, 59, 130)

HSL

hsl(274.6, 37.6%, 37.1%)

HSV / HSB

hsv(274.6, 54.6%, 51%)

CMYK

cmyk(23.1%, 54.6%, 0%, 49%)

LAB

lab(32.81, 32.15, -33.17)

LCH

lch(32.81, 46.19, 314.11)

OKLCH

oklch(43.4%, 0.1195, 308.92)

HWB

hwb(274.6, 23.1%, 49%)

Harmony colors

Complementary

#59823b

Analogous

#403b82

#643b82

#823b7d

Triadic

#643b82

#82643b

#3b8264

Split-complementary

#643b82

#7d823b

#3b8240

Tetradic

#643b82

#823b59

#59823b

#3b8264

Square

#643b82

#82403b

#59823b

#3b7d82

Shades

Color #643b82 mixed toward black.

#53316c

#432757

#321e41

#21142b

#110a16

Tints

Color #643b82 mixed toward white.

#804ca7

#9a6cbc

#b391cd

#cdb5de

#e6daee

Tones

Color #643b82 mixed toward gray.

#63417c

#624776

#614d70

#60536a

#605965

Accessibility

Aa White text on this color

8.43:1

Aa Black text on this color

2.49:1

White text reads better on this background (8.43:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#555576 · ΔE 12.5

Deuteranopia

#575a72 · ΔE 15.2

Tritanopia

#626a68 · ΔE 25

Achromatopsia

#4d4d4d · ΔE 23.7

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

Code

CSS

background-color: #643b82;

Tailwind (arbitrary value)

bg-[#643b82]

Related colors

Indigo #4b0082

Blue Violet #8a2be2

Rebecca Purple #663399

Dark Orchid #9932cc

Dark Violet #9400d3

Medium Orchid #ba55d3

Frequently asked questions

#643b82 (#643b82) is rgb(100, 59, 130) in RGB.

No, #643b82 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.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #643b82, or check how it holds up for accessibility.

Generate a palette → Check contrast