#664a88

Affair

Closest match (96% match)

Color formats

RGB

rgb(102, 74, 136)

Red, Green, Blue components

HSL

hsl(267, 30%, 41%)

Hue, Saturation, Lightness

CMYK

cmyk(25, 46, 0, 47)

Print color encoding

Luminance

0.095

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#664a88

#6c884a

Analogous (Adjacent)

#4a4d88

#664a88

#854a88

Triadic

#664a88

#88664a

#4a8866

Split complementary

#664a88

#88854a

#4d884a

Complete conversion table

HEX

#664A88

RGB

rgb(102,74,136)

RGBA

rgba(102,74,136, 1)

HSL

hsl(267.1,29.52%,41.18%)

OKLCH (Modern CSS)

oklch(0.47 0.10 303.5)

CSS Variable

--color: #664a88;

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

7.24

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

2.90

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#664a88#656688

ORIG

SIM

Deuteranopia (green)

#664a88#727088

ORIG

SIM

Tritanopia (blue)

#664a88#654f57

ORIG

SIM

Monochrome (color blind)

#664a88#575757

Mixing guide

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

MIXING PALETTE

40%

37%

23%

RYB PIGMENTS

Ultramarine blue

Pigment

40%

Ivory black

Pigment

37%

Cadmium red

Pigment

23%

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)

9.5%

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.

Lords of the Night

#664488

Sumptuous Purple

#604C81

Grapes of Italy

#714A8B

In the Vines

#5C457B

Dingley

#6C884A

Affair

#854A88

East Bay

#4A4D88

Shadow

#88664A

Viridian

#4A8866

Shadow

#88854A

Purple Mountain's Majesty

#9F7FC2

Valhalla

#311952