#D31010

#D31010

Color Values

HEX

#D31010

RGB

211, 16, 16

HSL

0.0, 85.9%, 44.5%

HSV

0.0, 92.4%, 82.7%

CMYK

0.0%, 92.4%, 92.4%, 17.3%

OKLCH

0.5488 0.2188 28.6

Properties

Warm Dark Nearest: RAL 3020 Traffic Red

Color Harmonies

Complementary

#D31010

#10D3D3

Analogous

#D31071

#D37110

#D31010

Triadic

#D31010

#10D310

#1010D3

Split Complementary

#D31010

#10D371

#1071D3

Tetradic

#D31010

#71D310

#10D3D3

#7110D3

Color Blindness Simulation

Original

#D31010

Protanopia

#7F7D10

Deuteranopia

#8A9810

Tritanopia

#C91010

Achromatopsia

#393939

CSS Usage

background-color: #D31010;
color: #D31010;
border-color: #D31010;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FDF2F2
100
#FAE0E0
200
#FABDBD
300
#F68D8D
400
#F25050
500
#ED1212
600
#BE0E0E
700
#980C0C
800
#770909
900
#560B0B
950
#360707

Contrast Checker

Text on white

5.45:1

AA Pass AAA Fail

Text on black

3.85:1

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