#EF1F1F

#EF1F1F

Color Values

HEX

#EF1F1F

RGB

239, 31, 31

HSL

0,0, 86,7%, 52,9%

HSV

0,0, 87,0%, 93,7%

CMYK

0,0%, 87,0%, 87,0%, 6,3%

OKLCH

0,6076 0,2356 28,0

Properties

Warm Light Nearest: firebrick 1

Color Harmonies

Complementary

#EF1F1F

#1FEFEF

Analogous

#EF1F87

#EF871F

#EF1F1F

Triadic

#EF1F1F

#1FEF1F

#1F1FEF

Split Complementary

#EF1F1F

#1FEF87

#1F87EF

Tetradic

#EF1F1F

#87EF1F

#1FEFEF

#871FEF

Color Blindness Simulation

Original

#EF1F1F

Protanopia

#95931F

Deuteranopia

#A1B11F

Tritanopia

#E51F1F

Achromatopsia

#4B4B4B

CSS Usage

background-color: #EF1F1F;
color: #EF1F1F;
border-color: #EF1F1F;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FDF2F2
100
#FAE0E0
200
#FABCBC
300
#F78D8D
400
#F24F4F
500
#EE1111
600
#BE0E0E
700
#980B0B
800
#770808
900
#560B0B
950
#360707

Contrast Checker

Text on white

4,3:1

AA Fail AAA Fail

Text on black

4,89:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Şub 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Şub 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Şub 19, 2026