#D43F3F

#D43F3F

Color Values

HEX

#D43F3F

RGB

212, 63, 63

HSL

0.0, 63.4%, 53.9%

HSV

0.0, 70.3%, 83.1%

CMYK

0.0%, 70.3%, 70.3%, 16.9%

OKLCH

0.5861 0.1861 25.0

Properties

Warm Light Nearest: NCS S 1060-R Bright Red

Color Harmonies

Complementary

#D43F3F

#3FD4D4

Analogous

#D43F89

#D4893F

#D43F3F

Triadic

#D43F3F

#3FD43F

#3F3FD4

Split Complementary

#D43F3F

#3FD489

#3F89D4

Tetradic

#D43F3F

#89D43F

#3FD4D4

#893FD4

Color Blindness Simulation

Original

#D43F3F

Protanopia

#93923F

Deuteranopia

#9CA73F

Tritanopia

#CD3F3F

Achromatopsia

#5F5F5F

CSS Usage

background-color: #D43F3F;
color: #D43F3F;
border-color: #D43F3F;
Nearest Tailwind: Red 500 #EF4444

Tailwind Shades

50
#FBF3F3
100
#F7E4E4
200
#F2C5C5
300
#E99B9B
400
#DC6565
500
#D02F2F
600
#A72525
700
#851E1E
800
#681717
900
#4C1515
950
#300D0D

Contrast Checker

Text on white

4.58:1

AA Pass AAA Fail

Text on black

4.58:1

AA Pass 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