#aa0004

Bright Red

Closest match (98% match)

Color formats

RGB

rgb(170, 0, 4)

Red, Green, Blue components

HSL

hsl(359, 100%, 33%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 100, 98, 33)

Print color encoding

Luminance

0.086

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#aa0004

#00aaa6

Analogous (Adjacent)

#aa0059

#aa0004

#aa5100

Triadic

#aa0004

#04aa00

#0004aa

Split complementary

#aa0004

#00aa51

#0059aa

Complete conversion table

HEX

#AA0004

RGB

rgb(170,0,4)

RGBA

rgba(170,0,4, 1)

HSL

hsl(358.59,100%,33.33%)

OKLCH (Modern CSS)

oklch(0.46 0.19 28.7)

CSS Variable

--color: #aa0004;

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

7.75

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

2.71

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#aa0004#020204

ORIG

SIM

Deuteranopia (green)

#aa0004#6b7804

ORIG

SIM

Tritanopia (blue)

#aa0004#a24950

ORIG

SIM

Monochrome (color blind)

#aa0004#73483d

Mixing guide

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

MIXING PALETTE

66%

33%

RYB PIGMENTS

Cadmium red

Pigment

66%

Ivory black

Pigment

33%

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)

8.6%

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.

Velvet Volcano

#AB0102

Heartbeat

#AA0000

Gory Red

#A30800

Kid Icarus

#A81000

Persian Green

#00AAA6

Chelsea Gem

#AA5100

Flirt

#AA0059

Japanese Laurel

#04AA00

Dark Blue

#0004AA

Green Haze

#00AA51

Flamingo

#EF5237

Lonestar

#6A0000