#331c51

Grape

Closest match (98% match)

Color formats

RGB

rgb(51, 28, 81)

Red, Green, Blue components

HSL

hsl(266, 49%, 21%)

Hue, Saturation, Lightness

CMYK

cmyk(37, 65, 0, 68)

Print color encoding

Luminance

0.021

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#331c51

#3a511c

Analogous (Adjacent)

#1c2051

#331c51

#4d1c51

Triadic

#331c51

#51331c

#1c5133

Split complementary

#331c51

#514d1c

#20511c

Complete conversion table

HEX

#331C51

RGB

rgb(51,28,81)

RGBA

rgba(51,28,81, 1)

HSL

hsl(266.04,48.62%,21.37%)

OKLCH (Modern CSS)

oklch(0.29 0.09 300.6)

CSS Variable

--color: #331c51;

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

14.73

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.43

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#331c51#333451

ORIG

SIM

Deuteranopia (green)

#331c51#3e3c51

ORIG

SIM

Tritanopia (blue)

#331c51#322327

ORIG

SIM

Monochrome (color blind)

#331c51#282828

Mixing guide

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

MIXING PALETTE

69%

20%

11%

RYB PIGMENTS

Ivory black

Pigment

69%

Ultramarine blue

Pigment

20%

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

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)

2.1%

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.

Stormy Night

#372354

Fabric of Space

#341758

Fading Horizon

#442266

Dark Dreams

#332266

Thatch Green

#3A511C

Grape

#4D1C51

Port Gore

#1C1F51

Metallic Bronze

#51331C

Green Pea

#1C5133

Thatch Green

#514D1C

Butterfly Bush

#684D87

Black Russian

#090022