#AD3838

#AD3838

Color Values

HEX

#AD3838

RGB

173, 56, 56

HSL

0.0, 51.1%, 44.9%

HSV

0.0, 67.6%, 67.8%

CMYK

0.0%, 67.6%, 67.6%, 32.2%

OKLCH

0.5116 0.1529 24.3

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#AD3838

#38ADAD

Analogous

#AD3872

#AD7238

#AD3838

Triadic

#AD3838

#38AD38

#3838AD

Split Complementary

#AD3838

#38AD72

#3872AD

Tetradic

#AD3838

#72AD38

#38ADAD

#7238AD

Color Blindness Simulation

Original

#AD3838

Protanopia

#7A7938

Deuteranopia

#818A38

Tritanopia

#A73838

Achromatopsia

#515151

CSS Usage

background-color: #AD3838;
color: #AD3838;
border-color: #AD3838;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F5E5E5
200
#EEC9C9
300
#E1A3A3
400
#D17070
500
#C13E3E
600
#9A3232
700
#7B2828
800
#601F1F
900
#471A1A
950
#2D1111

Contrast Checker

Text on white

6.18:1

AA Pass AAA Fail

Text on black

3.4:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026