#645fbb

Blue Violet

Closest match (97% match)

Color formats

RGB

rgb(100, 95, 187)

Red, Green, Blue components

HSL

hsl(243, 40%, 55%)

Hue, Saturation, Lightness

CMYK

cmyk(47, 49, 0, 27)

Print color encoding

Luminance

0.145

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#645fbb

#b6bb5f

Analogous (Adjacent)

#5f88bb

#645fbb

#925fbb

Triadic

#645fbb

#bb645f

#5fbb64

Split complementary

#645fbb

#bb925f

#88bb5f

Complete conversion table

HEX

#645FBB

RGB

rgb(100,95,187)

RGBA

rgba(100,95,187, 1)

HSL

hsl(243.26,40.35%,55.29%)

OKLCH (Modern CSS)

oklch(0.54 0.14 283.0)

CSS Variable

--color: #645fbb;

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

5.39

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

3.90

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#645fbb#8788bb

ORIG

SIM

Deuteranopia (green)

#645fbb#837ebb

ORIG

SIM

Tritanopia (blue)

#645fbb#645861

ORIG

SIM

Monochrome (color blind)

#645fbb#6a6a6b

Mixing guide

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

MIXING PALETTE

74%

22%

RYB PIGMENTS

Ultramarine blue

Pigment

74%

Titanium white

Pigment

22%

Cadmium red

Pigment

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)

14.5%

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.

Simply Purple

#715BB1

Bellflower

#5D66AA

Savoy Blue

#4B61D1

Prophet Violet

#6F58A6

Olive Green

#B6BB5F

Fuchsia Blue

#925FBB

Hippie Blue

#5F88BB

Matrix

#BB645F

Fern

#5FBB64

Muddy Waters

#BB925F

Portage

#A096F8

Bay of Many

#262D81