#613f41

Congo Brown

Closest match (97% match)

Color formats

RGB

rgb(97, 63, 65)

Red, Green, Blue components

HSL

hsl(356, 21%, 31%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 35, 33, 62)

Print color encoding

Luminance

0.065

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#613f41

#3f615f

Analogous (Adjacent)

#613f52

#613f41

#614e3f

Triadic

#613f41

#41613f

#3f4161

Split complementary

#613f41

#3f614e

#3f5261

Complete conversion table

HEX

#613F41

RGB

rgb(97,63,65)

RGBA

rgba(97,63,65, 1)

HSL

hsl(356.47,21.25%,31.37%)

OKLCH (Modern CSS)

oklch(0.41 0.05 15.5)

CSS Variable

--color: #613f41;

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

9.15

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

2.30

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#613f41#404041

ORIG

SIM

Deuteranopia (green)

#613f41#545741

ORIG

SIM

Tritanopia (blue)

#613f41#5f474f

ORIG

SIM

Monochrome (color blind)

#613f41#484848

Mixing guide

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

MIXING PALETTE

74%

26%

RYB PIGMENTS

Ivory black

Pigment

74%

Cadmium red

Pigment

26%

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)

6.5%

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.

Monkey Island

#553B39

Hot Chocolate

#683939

Death by Chocolate

#60443F

Wine Stain

#69444F

Mineral Green

#3F615F

Kabul

#614E3F

Eggplant

#613F52

Tom Thumb

#41613F

Gun Powder

#3F4161

Mineral Green

#3F614E

Bazaar

#997375

Coffee Bean

#2D1013