#663db0

Royal Purple

Closest match (97% match)

Color formats

RGB

rgb(102, 61, 176)

Red, Green, Blue components

HSL

hsl(261, 49%, 46%)

Hue, Saturation, Lightness

CMYK

cmyk(42, 65, 0, 31)

Print color encoding

Luminance

0.093

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#663db0

#87b03d

Analogous (Adjacent)

#3d4db0

#663db0

#a03db0

Triadic

#663db0

#b0663d

#3db066

Split complementary

#663db0

#b0a03d

#4db03d

Complete conversion table

HEX

#663DB0

RGB

rgb(102,61,176)

RGBA

rgba(102,61,176, 1)

HSL

hsl(261.39,48.52%,46.47%)

OKLCH (Modern CSS)

oklch(0.47 0.17 295.3)

CSS Variable

--color: #663db0;

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

7.34

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

2.86

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#663db0#7071b0

ORIG

SIM

Deuteranopia (green)

#663db0#807cb0

ORIG

SIM

Tritanopia (blue)

#663db0#644950

ORIG

SIM

Monochrome (color blind)

#663db0#5d516a

Mixing guide

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

MIXING PALETTE

62%

27%

12%

RYB PIGMENTS

Ultramarine blue

Pigment

62%

Cadmium red

Pigment

27%

Ivory black

Pigment

12%

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)

9.3%

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.

Purple Emperor

#6633BB

Poppy Pompadour

#6B3FA0

Royalty

#5930A9

Purple Heart

#69359C

Sushi

#87B03D

Vivid Violet

#A03DB0

Azure

#3D4DB0

Brown Rust

#B0663D

Chateau Green

#3DB066

Roti

#B0A03D

Portage

#A373ED

Deep Blue

#280776