#A71D18

#A71D18

Color Values

HEX

#A71D18

RGB

167, 29, 24

HSL

2.1, 74.9%, 37.5%

HSV

2.1, 85.6%, 65.5%

CMYK

0.0%, 82.6%, 85.6%, 34.5%

OKLCH

0.4716 0.1737 28.4

Properties

Warm Dark Nearest: RAL 3001 Signal Red

Color Harmonies

Complementary

#A71D18

#18A2A7

Analogous

#A7185B

#A76518

#A71D18

Triadic

#A71D18

#18A71D

#1D18A7

Split Complementary

#A71D18

#18A765

#185BA7

Tetradic

#A71D18

#5BA718

#18A2A7

#6518A7

Color Blindness Simulation

Original

#A71D18

Protanopia

#6B6A19

Deuteranopia

#737E19

Tritanopia

#A01A1A

Achromatopsia

#3A3A3A

CSS Usage

background-color: #A71D18;
color: #A71D18;
border-color: #A71D18;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FCF3F2
100
#F9E3E2
200
#F6C2C1
300
#F09794
400
#E75F5A
500
#DF2720
600
#B21F1A
700
#8F1914
800
#6F1310
900
#511210
950
#330B0A

Contrast Checker

Text on white

7.42:1

AA Pass AAA Pass

Text on black

2.83:1

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