#A11212

#A11212

Color Values

HEX

#A11212

RGB

161, 18, 18

HSL

0.0, 79.9%, 35.1%

HSV

0.0, 88.8%, 63.1%

CMYK

0.0%, 88.8%, 88.8%, 36.9%

OKLCH

0.453 0.1749 28.0

Properties

Warm Dark Nearest: RAL 3001 Signal Red

Color Harmonies

Complementary

#A11212

#12A1A1

Analogous

#A1125A

#A15A12

#A11212

Triadic

#A11212

#12A112

#1212A1

Split Complementary

#A11212

#12A15A

#125AA1

Tetradic

#A11212

#5AA112

#12A1A1

#5A12A1

Color Blindness Simulation

Original

#A11212

Protanopia

#636212

Deuteranopia

#6B7612

Tritanopia

#9A1212

Achromatopsia

#303030

CSS Usage

background-color: #A11212;
color: #A11212;
border-color: #A11212;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FDF2F2
100
#F9E1E1
200
#F8BFBF
300
#F39191
400
#EC5555
500
#E51A1A
600
#B71515
700
#931010
800
#730D0D
900
#530E0E
950
#350909

Contrast Checker

Text on white

8.04:1

AA Pass AAA Pass

Text on black

2.61:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026