#EC403F

#EC403F

Color Values

HEX

#EC403F

RGB

236, 64, 63

HSL

0.3, 82.0%, 58.6%

HSV

0.3, 73.3%, 92.5%

CMYK

0.0%, 72.9%, 73.3%, 7.5%

OKLCH

0.6275 0.2089 25.9

Properties

Warm Light Nearest: brown 2

Color Harmonies

Complementary

#EC403F

#3FEBEC

Analogous

#EC3F95

#EC963F

#EC403F

Triadic

#EC403F

#3FEC40

#403FEC

Split Complementary

#EC403F

#3FEC96

#3F95EC

Tetradic

#EC403F

#95EC3F

#3FEBEC

#963FEC

Color Blindness Simulation

Original

#EC403F

Protanopia

#A1A03F

Deuteranopia

#ACB83F

Tritanopia

#E33F3F

Achromatopsia

#646464

CSS Usage

background-color: #EC403F;
color: #EC403F;
border-color: #EC403F;
Nearest Tailwind: Red 500 #EF4444

Tailwind Shades

50
#FDF2F2
100
#FAE1E1
200
#F9BEBE
300
#F49090
400
#EE5453
500
#E81817
600
#BA1312
700
#950F0F
800
#740C0B
900
#540D0D
950
#350808

Contrast Checker

Text on white

3.91:1

AA Fail AAA Fail

Text on black

5.37:1

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