#513136

Congo Brown

Closest match (97% match)

Color formats

RGB

rgb(81, 49, 54)

Red, Green, Blue components

HSL

hsl(351, 25%, 25%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 40, 33, 68)

Print color encoding

Luminance

0.042

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#513136

#31514c

Analogous (Adjacent)

#513146

#513136

#513c31

Triadic

#513136

#365131

#313651

Split complementary

#513136

#31513c

#314651

Complete conversion table

HEX

#513136

RGB

rgb(81,49,54)

RGBA

rgba(81,49,54, 1)

HSL

hsl(350.63,24.62%,25.49%)

OKLCH (Modern CSS)

oklch(0.35 0.05 9.6)

CSS Variable

--color: #513136;

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

11.40

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.84

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#513136#333336

ORIG

SIM

Deuteranopia (green)

#513136#464936

ORIG

SIM

Tritanopia (blue)

#513136#4f3a40

ORIG

SIM

Monochrome (color blind)

#513136#3a3a3a

Mixing guide

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

MIXING PALETTE

80%

19%

RYB PIGMENTS

Ivory black

Pigment

80%

Cadmium red

Pigment

19%

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)

4.2%

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.

Dark Roast

#4A2D2F

Wine Tasting

#492A34

Brown Coffee

#4A2C2A

Espresso

#4E312D

Stromboli

#31514C

Judge Gray

#513C31

Eggplant

#513146

Tom Thumb

#365131

Martinique

#313651

Tom Thumb

#31513C

Opium

#886468

Diesel

#220004