#640d86

Windsor

Closest match (93% match)

Color formats

RGB

rgb(100, 13, 134)

Red, Green, Blue components

HSL

hsl(283, 82%, 29%)

Hue, Saturation, Lightness

CMYK

cmyk(25, 90, 0, 47)

Print color encoding

Luminance

0.047

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#640d86

#2f860d

Analogous (Adjacent)

#270d86

#640d86

#860d6c

Triadic

#640d86

#86640d

#0d8664

Split complementary

#640d86

#6c860d

#0d8628

Complete conversion table

HEX

#640D86

RGB

rgb(100,13,134)

RGBA

rgba(100,13,134, 1)

HSL

hsl(283.14,82.31%,28.82%)

OKLCH (Modern CSS)

oklch(0.39 0.18 313.0)

CSS Variable

--color: #640d86;

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

10.80

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.94

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#640d86#424386

ORIG

SIM

Deuteranopia (green)

#640d86#706e86

ORIG

SIM

Tritanopia (blue)

#640d86#603136

ORIG

SIM

Monochrome (color blind)

#640d86#49374e

Mixing guide

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

MIXING PALETTE

40%

32%

28%

RYB PIGMENTS

Ivory black

Pigment

40%

Cadmium red

Pigment

32%

Ultramarine blue

Pigment

28%

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)

4.7%

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.

Extraviolet

#661188

Sapphire Siren

#662288

Intergalactic Settlement

#5B1E8B

Ultraberry

#770088

Bilbao

#2F860D

Rose Bud Cherry

#860D6C

Blue Gem

#270D86

Corn Harvest

#86640D

Elf Green

#0D8664

Olivetone

#6C860D

Amethyst

#9F4CC1

Ripe Plum

#2B004F