#B90303

#B90303

Color Values

HEX

#B90303

RGB

185, 3, 3

HSL

0.0, 96.8%, 36.9%

HSV

0.0, 98.4%, 72.5%

CMYK

0.0%, 98.4%, 98.4%, 27.5%

OKLCH

0.4944 0.2015 29.1

Properties

Warm Dark Nearest: RAL 3020 Traffic Red

Color Harmonies

Complementary

#B90303

#03B9B9

Analogous

#B9035E

#B95E03

#B90303

Triadic

#B90303

#03B903

#0303B9

Split Complementary

#B90303

#03B95E

#035EB9

Tetradic

#B90303

#5EB903

#03B9B9

#5E03B9

Color Blindness Simulation

Original

#B90303

Protanopia

#6A6903

Deuteranopia

#758203

Tritanopia

#B00303

Achromatopsia

#2A2A2A

CSS Usage

background-color: #B90303;
color: #B90303;
border-color: #B90303;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FEF1F1
100
#FCDEDE
200
#FEB9B9
300
#FD8787
400
#FC4545
500
#FB0404
600
#C90303
700
#A10303
800
#7D0202
900
#5B0606
950
#390404

Contrast Checker

Text on white

6.82:1

AA Pass AAA Fail

Text on black

3.08:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026