#a66ef9

Heliotrope

Closest match (90% match)

Color formats

RGB

rgb(166, 110, 249)

Red, Green, Blue components

HSL

hsl(264, 92%, 70%)

Hue, Saturation, Lightness

CMYK

cmyk(33, 56, 0, 2)

Print color encoding

Luminance

0.261

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#a66ef9

#c1f96e

Analogous (Adjacent)

#6e7bf9

#a66ef9

#eb6ef9

Triadic

#a66ef9

#f9a66e

#6ef9a6

Split complementary

#a66ef9

#f9eb6e

#7bf96e

Complete conversion table

HEX

#A66EF9

RGB

rgb(166,110,249)

RGBA

rgba(166,110,249, 1)

HSL

hsl(264.17,92.05%,70.39%)

OKLCH (Modern CSS)

oklch(0.66 0.20 299.5)

CSS Variable

--color: #a66ef9;

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

3.38

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

6.22

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#a66ef9#abadf9

ORIG

SIM

Deuteranopia (green)

#a66ef9#c3bff9

ORIG

SIM

Tritanopia (blue)

#a66ef9#a37b88

ORIG

SIM

Monochrome (color blind)

#a66ef9#9884ae

Mixing guide

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

MIXING PALETTE

41%

38%

21%

RYB PIGMENTS

Ultramarine blue

Pigment

41%

Titanium white

Pigment

38%

Cadmium red

Pigment

21%

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)

26.1%

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.

Matt Purple

#9370DB

Illicit Purple

#BF77F6

Lavender

#B56EDC

Legendary Lavender

#9D61D4

Sulu

#C1F96E

Heliotrope

#EB6EF9

Cornflower Blue

#6E7BF9

Rajah

#F9A66E

Aquamarine

#6EF9A6

Festival

#F9EB6E

Mauve

#E5A8FF

Purple Heart

#6837BB