#371a83

Persian Indigo

Closest match (98% match)

Color formats

RGB

rgb(55, 26, 131)

Red, Green, Blue components

HSL

hsl(257, 67%, 31%)

Hue, Saturation, Lightness

CMYK

cmyk(58, 80, 0, 49)

Print color encoding

Luminance

0.032

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#371a83

#66831a

Analogous (Adjacent)

#1a3183

#371a83

#6b1a83

Triadic

#371a83

#83371a

#1a8337

Split complementary

#371a83

#836b1a

#31831a

Complete conversion table

HEX

#371A83

RGB

rgb(55,26,131)

RGBA

rgba(55,26,131, 1)

HSL

hsl(256.57,66.88%,30.78%)

OKLCH (Modern CSS)

oklch(0.34 0.16 286.7)

CSS Variable

--color: #371a83;

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

12.82

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.64

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#371a83#484983

ORIG

SIM

Deuteranopia (green)

#371a83#534e83

ORIG

SIM

Tritanopia (blue)

#371a83#362428

ORIG

SIM

Monochrome (color blind)

#371a83#372f42

Mixing guide

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

MIXING PALETTE

45%

42%

13%

RYB PIGMENTS

Ivory black

Pigment

45%

Ultramarine blue

Pigment

42%

Cadmium red

Pigment

13%

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)

3.2%

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 Civilization

#442288

Explorer of the Galaxies

#3A1F76

Deep Space Rodeo

#332277

Nightly Expedition

#221188

Trendy Green

#66831A

Seance

#6B1A83

Jacksons Purple

#1A3183

Mocha

#83371A

Forest Green

#1A8337

Kumera

#836B1A

Fuchsia Blue

#734EBE

Stratos

#00004D