#A3302B

#A3302B

Color Values

HEX

#A3302B

RGB

163, 48, 43

HSL

2.5, 58.3%, 40.4%

HSV

2.5, 73.6%, 63.9%

CMYK

0.0%, 70.6%, 73.6%, 36.1%

OKLCH

0.4833 0.1519 27.0

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#A3302B

#2B9EA3

Analogous

#A32B62

#A36C2B

#A3302B

Triadic

#A3302B

#2BA330

#302BA3

Split Complementary

#A3302B

#2BA36C

#2B62A3

Tetradic

#A3302B

#62A32B

#2B9EA3

#6C2BA3

Color Blindness Simulation

Original

#A3302B

Protanopia

#71702C

Deuteranopia

#78802C

Tritanopia

#9D2D2D

Achromatopsia

#484848

CSS Usage

background-color: #A3302B;
color: #A3302B;
border-color: #A3302B;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F6E5E4
200
#F0C8C6
300
#E5A19E
400
#D86E6A
500
#CA3B35
600
#A12F2B
700
#812622
800
#651E1B
900
#4A1917
950
#2F100F

Contrast Checker

Text on white

6.97:1

AA Pass AAA Fail

Text on black

3.01:1

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