#a663fc

Heliotrope

Closest match (89% match)

Color formats

RGB

rgb(166, 99, 252)

Red, Green, Blue components

HSL

hsl(266, 96%, 69%)

Hue, Saturation, Lightness

CMYK

cmyk(34, 61, 0, 1)

Print color encoding

Luminance

0.241

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#a663fc

#b9fc63

Analogous (Adjacent)

#636cfc

#a663fc

#f363fc

Triadic

#a663fc

#fca663

#63fca6

Split complementary

#a663fc

#fcf363

#6cfc63

Complete conversion table

HEX

#A663FC

RGB

rgb(166,99,252)

RGBA

rgba(166,99,252, 1)

HSL

hsl(266.27,96.23%,68.82%)

OKLCH (Modern CSS)

oklch(0.65 0.22 300.5)

CSS Variable

--color: #a663fc;

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

3.61

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

5.81

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#a663fc#a6a8fc

ORIG

SIM

Deuteranopia (green)

#a663fc#c4c0fc

ORIG

SIM

Tritanopia (blue)

#a663fc#a37682

ORIG

SIM

Monochrome (color blind)

#a663fc#977bb3

Mixing guide

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

MIXING PALETTE

42%

34%

24%

RYB PIGMENTS

Ultramarine blue

Pigment

42%

Titanium white

Pigment

34%

Cadmium red

Pigment

24%

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)

24.1%

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.

Legendary Lavender

#9D61D4

Matt Purple

#9370DB

Magento

#BF3CFF

Lavender

#B56EDC

Canary

#B9FC63

Heliotrope

#F363FC

Cornflower Blue

#636CFC

Tan Hide

#FCA663

Aquamarine

#63FCA6

Candy Corn

#FCF363

Mauve

#E69DFF

Purple Heart

#672ABE