#a66dcf

Amethyst

Closest match (97% match)

Color formats

RGB

rgb(166, 109, 207)

Red, Green, Blue components

HSL

hsl(275, 51%, 62%)

Hue, Saturation, Lightness

CMYK

cmyk(20, 47, 0, 19)

Print color encoding

Luminance

0.235

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#a66dcf

#96cf6d

Analogous (Adjacent)

#756dcf

#a66dcf

#cf6dc7

Triadic

#a66dcf

#cfa66d

#6dcfa6

Split complementary

#a66dcf

#c7cf6d

#6dcf75

Complete conversion table

HEX

#A66DCF

RGB

rgb(166,109,207)

RGBA

rgba(166,109,207, 1)

HSL

hsl(274.9,50.52%,61.96%)

OKLCH (Modern CSS)

oklch(0.63 0.15 309.5)

CSS Variable

--color: #a66dcf;

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

3.68

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

5.71

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#a66dcf#9899cf

ORIG

SIM

Deuteranopia (green)

#a66dcf#b4b2cf

ORIG

SIM

Tritanopia (blue)

#a66dcf#a37b88

ORIG

SIM

Monochrome (color blind)

#a66dcf#88848b

Mixing guide

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

MIXING PALETTE

37%

33%

30%

RYB PIGMENTS

Ultramarine blue

Pigment

37%

Titanium white

Pigment

33%

Cadmium red

Pigment

30%

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)

23.5%

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.

Lavender

#B56EDC

Viola

#966EBD

Legendary Lavender

#9D61D4

Prickly Purple

#A264BA

Mantis

#96CF6D

Orchid

#CF6DC7

Moody Blue

#756DCF

Whiskey

#CFA66D

Downy

#6DCFA6

Wild Willow

#C7CF6D

Mauve

#E3A6FF

Royal Purple

#6B3794