#EF1F10

#EF1F10

Color Values

HEX

#EF1F10

RGB

239, 31, 16

HSL

4.0, 87.5%, 50.0%

HSV

4.0, 93.3%, 93.7%

CMYK

0.0%, 87.0%, 93.3%, 6.3%

OKLCH

0.6069 0.2366 29.8

Properties

Warm Light Nearest: red 2

Color Harmonies

Complementary

#EF1F10

#10E0EF

Analogous

#EF1071

#EF8E10

#EF1F10

Triadic

#EF1F10

#10EF1F

#1F10EF

Split Complementary

#EF1F10

#10EF8E

#1071EF

Tetradic

#EF1F10

#71EF10

#10E0EF

#8E10EF

Color Blindness Simulation

Original

#EF1F10

Protanopia

#959314

Deuteranopia

#A1B114

Tritanopia

#E51617

Achromatopsia

#4A4A4A

CSS Usage

background-color: #EF1F10;
color: #EF1F10;
border-color: #EF1F10;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FDF2F2
100
#FAE2E0
200
#FBC0BC
300
#F7938C
400
#F3594E
500
#EF1F10
600
#BF190D
700
#99140A
800
#780F08
900
#570F0A
950
#370A07

Contrast Checker

Text on white

4.31:1

AA Fail AAA Fail

Text on black

4.87:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

ก.พ. 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

ก.พ. 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

ก.พ. 19, 2026