#331caf

Persian Blue

Closest match (93% match)

Color formats

RGB

rgb(51, 28, 175)

Red, Green, Blue components

HSL

hsl(249, 72%, 40%)

Hue, Saturation, Lightness

CMYK

cmyk(71, 84, 0, 31)

Print color encoding

Luminance

0.046

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#331caf

#98af1c

Analogous (Adjacent)

#1c4eaf

#331caf

#7d1caf

Triadic

#331caf

#af331c

#1caf33

Split complementary

#331caf

#af7d1c

#4eaf1c

Complete conversion table

HEX

#331CAF

RGB

rgb(51,28,175)

RGBA

rgba(51,28,175, 1)

HSL

hsl(249.39,72.41%,39.8%)

OKLCH (Modern CSS)

oklch(0.38 0.21 276.8)

CSS Variable

--color: #331caf;

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

10.90

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.93

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#331caf#5d5eaf

ORIG

SIM

Deuteranopia (green)

#331caf#6058af

ORIG

SIM

Tritanopia (blue)

#331caf#322327

ORIG

SIM

Monochrome (color blind)

#331caf#443369

Mixing guide

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

MIXING PALETTE

64%

25%

11%

RYB PIGMENTS

Ultramarine blue

Pigment

64%

Ivory black

Pigment

25%

Cadmium red

Pigment

11%

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)

4.6%

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.

Galactic Highway

#3311BB

Sapphire Splendour

#2425B9

Too Dark Tonight

#0011BB

Dark Galaxy

#0018A8

Citron

#98AF1C

Seance

#7D1CAF

Fun Blue

#1C4EAF

Roof Terracotta

#AF331C

Forest Green

#1CAF33

Mandalay

#AF7D1C

Royal Blue

#7952ED

Navy Blue

#000075