#643a87

Eminence

Closest match (97% match)

Color formats

RGB

rgb(100, 58, 135)

Red, Green, Blue components

HSL

hsl(273, 40%, 38%)

Hue, Saturation, Lightness

CMYK

cmyk(26, 57, 0, 47)

Print color encoding

Luminance

0.075

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#643a87

#5d873a

Analogous (Adjacent)

#3d3a87

#643a87

#873a84

Triadic

#643a87

#87643a

#3a8764

Split complementary

#643a87

#84873a

#3a873d

Complete conversion table

HEX

#643A87

RGB

rgb(100,58,135)

RGBA

rgba(100,58,135, 1)

HSL

hsl(272.73,39.9%,37.84%)

OKLCH (Modern CSS)

oklch(0.44 0.13 307.1)

CSS Variable

--color: #643a87;

Preview

Readability and Typography

Headline Test

This text demonstrates the reading experience on this background color.

Headline Test

This text demonstrates the reading experience on this background color.

UI Component Set

This is an example alert bar using the selected color.

SOLIDSOFTOUTLINE

Product Mockup

4582 •••• •••• 9018

CARDHOLDER

JOHN DOE

VALID

12/28

Mobile application

Customer support

Hi! How can we help you today?

I love this new color! 😍

Data visualization

Weekly growth

+1,240

12.5%

WED

2,450

Contrast

Contrast and readability (WCAG)

On white background

8.41

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

2.50

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#643a87#5c5d87

ORIG

SIM

Deuteranopia (green)

#643a87#706f87

ORIG

SIM

Tritanopia (blue)

#643a87#62464e

ORIG

SIM

Monochrome (color blind)

#643a87#4d4d4d

Mixing guide

How to mix this color using physical paints or printing inks.

MIXING PALETTE

39%

35%

26%

RYB PIGMENTS

Ivory black

Pigment

39%

Ultramarine blue

Pigment

35%

Cadmium red

Pigment

26%

Unlike light, mixing paints makes colors darker. This simulation mimics the behavior of physical pigments.

Physical properties

Perceptual and light-related properties derived from the digital color.

Spectral relationship

Violet hue

380–450 nm • closest visible-spectrum range

750 nm

380 nm

Visual temperature

Cool

A perceptual warm–cool classification. Kelvin does not apply to an arbitrary interface color.

Cool

Neutral

Warm

Luminance (brightness)

7.5%

Dark • relative luminance

50%

100%

An RGB color is produced by combined screen light, so this range is a visual comparison rather than an exact physical wavelength.

Gradient gallery

Generate premium CSS backgrounds and textures from your color.

Similar & Related Colors

Mathematically computed harmonies, shades, and similar tones for this color.

Kingfisher Daisy

#583580

Lords of the Night

#664488

Perkin Mauve

#733C8E

Lucid Dream

#632F92

Fern Green

#5D873A

Plum

#873A84

Minsk

#3D3A87

Potters Clay

#87643A

Viridian

#3A8764

Sycamore

#84873A

Wisteria

#9D6FC1

Violent Violet

#2D0751