#a20100

Bright Red

Closest match (97% match)

Color formats

RGB

rgb(162, 1, 0)

Red, Green, Blue components

HSL

hsl(0, 100%, 32%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 99, 100, 36)

Print color encoding

Luminance

0.077

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#a20100

#00a1a2

Analogous (Adjacent)

#a20050

#a20100

#a25200

Triadic

#a20100

#00a201

#0100a2

Split complementary

#a20100

#00a252

#0050a2

Complete conversion table

HEX

#A20100

RGB

rgb(162,1,0)

RGBA

rgba(162,1,0, 1)

HSL

hsl(0.37,100%,31.76%)

OKLCH (Modern CSS)

oklch(0.45 0.18 29.3)

CSS Variable

--color: #a20100;

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

8.27

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

2.54

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#a20100#010100

ORIG

SIM

Deuteranopia (green)

#a20100#647100

ORIG

SIM

Tritanopia (blue)

#a20100#9a464d

ORIG

SIM

Monochrome (color blind)

#a20100#6c453b

Mixing guide

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

MIXING PALETTE

63%

36%

RYB PIGMENTS

Cadmium red

Pigment

63%

Ivory black

Pigment

36%

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)

7.7%

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.

Gory Red

#A30800

Cacodemon Red

#9F0000

Heartbeat

#AA0000

Velvet Volcano

#AB0102

Persian Green

#00A1A2

Chelsea Gem

#A25200

Fresh Eggplant

#A20050

Japanese Laurel

#00A201

Navy Blue

#0100A2

Green Haze

#00A252

Cinnabar

#E75034

Rosewood

#630000