#511381

Persian Indigo

Closest match (95% match)

Color formats

RGB

rgb(81, 19, 129)

Red, Green, Blue components

HSL

hsl(274, 74%, 29%)

Hue, Saturation, Lightness

CMYK

cmyk(37, 85, 0, 49)

Print color encoding

Luminance

0.038

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#511381

#438113

Analogous (Adjacent)

#1a1381

#511381

#81137a

Triadic

#511381

#815113

#138151

Split complementary

#511381

#7a8113

#13811a

Complete conversion table

HEX

#511381

RGB

rgb(81,19,129)

RGBA

rgba(81,19,129, 1)

HSL

hsl(273.82,74.32%,29.02%)

OKLCH (Modern CSS)

oklch(0.36 0.17 304.1)

CSS Variable

--color: #511381;

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

11.93

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.76

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#511381#434581

ORIG

SIM

Deuteranopia (green)

#511381#625f81

ORIG

SIM

Tritanopia (blue)

#511381#4e2c30

ORIG

SIM

Monochrome (color blind)

#511381#3e3346

Mixing guide

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

MIXING PALETTE

43%

32%

25%

RYB PIGMENTS

Ivory black

Pigment

43%

Ultramarine blue

Pigment

32%

Cadmium red

Pigment

25%

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)

3.8%

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.

Indigo

#4B0082

Intergalactic Settlement

#5B1E8B

Velvet Vortex

#540D6E

Extraviolet

#661188

La Palma

#438113

Violet Eggplant

#81137A

Deep Koamaru

#1A1381

Raw Umber

#815113

Jewel

#138151

Olivetone

#7A8113

Fuchsia Blue

#8C4CBB

Tolopea

#19004B