#D40F0F

#D40F0F

Color Values

HEX

#D40F0F

RGB

212, 15, 15

HSL

0.0, 86.8%, 44.5%

HSV

0.0, 92.9%, 83.1%

CMYK

0.0%, 92.9%, 92.9%, 16.9%

OKLCH

0.5504 0.22 28.7

Properties

Warm Dark Nearest: RAL 3020 Traffic Red

Color Harmonies

Complementary

#D40F0F

#0FD4D4

Analogous

#D40F71

#D4710F

#D40F0F

Triadic

#D40F0F

#0FD40F

#0F0FD4

Split Complementary

#D40F0F

#0FD471

#0F71D4

Tetradic

#D40F0F

#71D40F

#0FD4D4

#710FD4

Color Blindness Simulation

Original

#D40F0F

Protanopia

#7F7D0F

Deuteranopia

#8A990F

Tritanopia

#CA0F0F

Achromatopsia

#393939

CSS Usage

background-color: #D40F0F;
color: #D40F0F;
border-color: #D40F0F;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FDF2F2
100
#FAE0E0
200
#FABCBC
300
#F78D8D
400
#F34F4F
500
#EE1111
600
#BF0D0D
700
#980B0B
800
#770808
900
#560B0B
950
#370707

Contrast Checker

Text on white

5.42:1

AA Pass AAA Fail

Text on black

3.87:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026