#644b9c

Butterfly Bush

Closest match (99% match)

Color formats

RGB

rgb(100, 75, 156)

Red, Green, Blue components

HSL

hsl(259, 35%, 45%)

Hue, Saturation, Lightness

CMYK

cmyk(36, 52, 0, 39)

Print color encoding

Luminance

0.101

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#644b9c

#839c4b

Analogous (Adjacent)

#4b5b9c

#644b9c

#8c4b9c

Triadic

#644b9c

#9c644b

#4b9c64

Split complementary

#644b9c

#9c8c4b

#5b9c4b

Complete conversion table

HEX

#644B9C

RGB

rgb(100,75,156)

RGBA

rgba(100,75,156, 1)

HSL

hsl(258.52,35.06%,45.29%)

OKLCH (Modern CSS)

oklch(0.48 0.13 295.4)

CSS Variable

--color: #644b9c;

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

6.93

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

3.03

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#644b9c#6f6f9c

ORIG

SIM

Deuteranopia (green)

#644b9c#78759c

ORIG

SIM

Tritanopia (blue)

#644b9c#634e57

ORIG

SIM

Monochrome (color blind)

#644b9c#5a5a5a

Mixing guide

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

MIXING PALETTE

58%

21%

20%

RYB PIGMENTS

Ultramarine blue

Pigment

58%

Cadmium red

Pigment

21%

Ivory black

Pigment

20%

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

Blue hue

450–495 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)

10.1%

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.

Poppy Pompadour

#6B3FA0

Prophet Violet

#6F58A6

Royal Lavender

#7851A9

Passion Flower

#6F5698

Chelsea Cucumber

#839C4B

Affair

#8C4B9C

Kashmir Blue

#4B5B9C

Cape Palliser

#9C644B

Fruit Salad

#4B9C64

Limed Oak

#9C8C4B

Lilac Bush

#9E81D8

Lucky Point

#2C1A64