#EF0F10

#EF0F10

Color Values

HEX

#EF0F10

RGB

239, 15, 16

HSL

359.7, 88.2%, 49.8%

HSV

359.7, 93.7%, 93.7%

CMYK

0.0%, 93.7%, 93.3%, 6.3%

OKLCH

0.6014 0.2418 28.7

Properties

Warm Light Nearest: red 2

Color Harmonies

Complementary

#EF0F10

#0FEFEE

Analogous

#EF0F80

#EF7E0F

#EF0F10

Triadic

#EF0F10

#10EF0F

#0F10EF

Split Complementary

#EF0F10

#0FEF7E

#0F80EF

Tetradic

#EF0F10

#80EF0F

#0FEFEE

#7E0FEF

Color Blindness Simulation

Original

#EF0F10

Protanopia

#8E8C10

Deuteranopia

#9BAC10

Tritanopia

#E41010

Achromatopsia

#3F3F3F

CSS Usage

background-color: #EF0F10;
color: #EF0F10;
border-color: #EF0F10;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FDF2F2
100
#FBE0E0
200
#FBBCBC
300
#F88C8C
400
#F44D4E
500
#F00F10
600
#C00C0D
700
#9A0A0A
800
#780808
900
#570A0A
950
#370607

Contrast Checker

Text on white

4.42:1

AA Fail AAA Fail

Text on black

4.75:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026