#a70100

Bright Red

Closest match (98% match)

Color formats

RGB

rgb(167, 1, 0)

Red, Green, Blue components

HSL

hsl(0, 100%, 33%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 99, 100, 35)

Print color encoding

Luminance

0.082

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#a70100

#00a6a7

Analogous (Adjacent)

#a70052

#a70100

#a75500

Triadic

#a70100

#00a701

#0100a7

Split complementary

#a70100

#00a755

#0052a7

Complete conversion table

HEX

#A70100

RGB

rgb(167,1,0)

RGBA

rgba(167,1,0, 1)

HSL

hsl(0.36,100%,32.75%)

OKLCH (Modern CSS)

oklch(0.46 0.19 29.3)

CSS Variable

--color: #a70100;

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%

1D

1W

1M

WED

2,450

Contrast

Contrast and readability (WCAG)

On white background

7.93

AP

Small text (14pt)

The quick brown fox jumps over...

AA

AAA

Large text or UI (18pt Bold)

AA

AAA

On black background

2.65

AP

Small text (14pt)

The quick brown fox jumps over...

AA

AAA

Large text or UI (18pt Bold)

AA

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#a70100#010100

ORIG

SIM

Deuteranopia (green)

#a70100#687500

ORIG

SIM

Tritanopia (blue)

#a70100#9f484f

ORIG

SIM

Monochrome (color blind)

#a70100#71463c

Mixing guide

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

MIXING PALETTE

65%

35%

RYB PIGMENTS

Cadmium red

Pigment

65%

Ivory black

Pigment

35%

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)

8.2%

Dark • relative luminance

0%

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.

Heartbeat

#AA0000

Gory Red

#A30800

Velvet Volcano

#AB0102

Kid Icarus

#A81000

Persian Green

#00A6A7

Chelsea Gem

#A75500

Fresh Eggplant

#A70052

Japanese Laurel

#00A701

Dark Blue

#0100A7

Green Haze

#00A755

Flamingo

#EC5134

Lonestar

#670000


Top tools

WorkspaceLinksySEO AnalyzerChromoQR Code Generator

ReadyTools

CareersContactTools
Pricing7 days free
SupportSecurityGuidesDocsBlogUpdatesLaraVault

Select Language

Set theme

ReadyTools

© 2026 ReadyTools. All rights reserved.