#830d21

Monarch

Closest match (98% match)

Color formats

RGB

rgb(131, 13, 33)

Red, Green, Blue components

HSL

hsl(350, 82%, 28%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 90, 75, 49)

Print color encoding

Luminance

0.052

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#830d21

#0d836f

Analogous (Adjacent)

#830d5c

#830d21

#83340d

Triadic

#830d21

#21830d

#0d2183

Split complementary

#830d21

#0d8334

#0d5c83

Complete conversion table

HEX

#830D21

RGB

rgb(131,13,33)

RGBA

rgba(131,13,33, 1)

HSL

hsl(349.83,81.94%,28.24%)

OKLCH (Modern CSS)

oklch(0.39 0.15 20.3)

CSS Variable

--color: #830d21;

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

10.27

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

2.04

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#830d21#161621

ORIG

SIM

Deuteranopia (green)

#830d21#5d6621

ORIG

SIM

Tritanopia (blue)

#830d21#7d3e44

ORIG

SIM

Monochrome (color blind)

#830d21#414141

Mixing guide

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

MIXING PALETTE

48%

47%

RYB PIGMENTS

Ivory black

Pigment

48%

Cadmium red

Pigment

47%

Ultramarine blue

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

Red hue

620–750 nm • closest visible-spectrum range

750 nm

380 nm

Visual temperature

Warm

A perceptual warm–cool classification. Kelvin does not apply to an arbitrary interface color.

Cool

Neutral

Warm

Luminance (brightness)

5.2%

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.

Oxblood

#800020

Barbera

#8B031C

Heavy Heart

#771122

Sneaky Devil

#840014

Surfie Green

#0D836F

Korma

#83340D

Rose Bud Cherry

#830D5C

Bilbao

#21830D

Ultramarine

#0D2183

Salem

#0D8334

Fuzzy Wuzzy Brown

#C34D51

Temptress

#480000