#643d85

Affair

Closest match (96% match)

Color formats

RGB

rgb(100, 61, 133)

Red, Green, Blue components

HSL

hsl(273, 37%, 38%)

Hue, Saturation, Lightness

CMYK

cmyk(25, 54, 0, 48)

Print color encoding

Luminance

0.077

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#643d85

#5e853d

Analogous (Adjacent)

#403d85

#643d85

#853d82

Triadic

#643d85

#85643d

#3d8564

Split complementary

#643d85

#82853d

#3d8540

Complete conversion table

HEX

#643D85

RGB

rgb(100,61,133)

RGBA

rgba(100,61,133, 1)

HSL

hsl(272.5,37.11%,38.04%)

OKLCH (Modern CSS)

oklch(0.44 0.12 307.2)

CSS Variable

--color: #643d85;

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

8.24

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

2.55

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#643d85#5d5d85

ORIG

SIM

Deuteranopia (green)

#643d85#6f6e85

ORIG

SIM

Tritanopia (blue)

#643d85#62484f

ORIG

SIM

Monochrome (color blind)

#643d85#4f4f4f

Mixing guide

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

MIXING PALETTE

40%

34%

26%

RYB PIGMENTS

Ivory black

Pigment

40%

Ultramarine blue

Pigment

34%

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)

7.7%

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.

Lords of the Night

#664488

Kingfisher Daisy

#583580

Perkin Mauve

#733C8E

Galactic Grapevine

#6B327B

Fern Green

#5E853D

Plum

#853D82

Victoria

#403D85

Spicy Mix

#85643D

Viridian

#3D8564

Sycamore

#82853D

Wisteria

#9D72BF

Jagger

#2E0B4F