#EF0406

#EF0406

Color Values

HEX

#EF0406

RGB

239, 4, 6

HSL

359.5, 96.7%, 47.6%

HSV

359.5, 98.3%, 93.7%

CMYK

0.0%, 98.3%, 97.5%, 6.3%

OKLCH

0.5988 0.2444 29.0

Properties

Warm Light Nearest: red 2

Color Harmonies

Complementary

#EF0406

#04EFED

Analogous

#EF047B

#EF7704

#EF0406

Triadic

#EF0406

#06EF04

#0406EF

Split Complementary

#EF0406

#04EF77

#047BEF

Tetradic

#EF0406

#7BEF04

#04EFED

#7704EF

Color Blindness Simulation

Original

#EF0406

Protanopia

#898706

Deuteranopia

#97A805

Tritanopia

#E30505

Achromatopsia

#363636

CSS Usage

background-color: #EF0406;
color: #EF0406;
border-color: #EF0406;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FEF1F1
100
#FCDEDF
200
#FEB9B9
300
#FD8788
400
#FC4547
500
#FB0406
600
#C90305
700
#A10304
800
#7D0203
900
#5B0607
950
#390404

Contrast Checker

Text on white

4.48:1

AA Fail AAA Fail

Text on black

4.69:1

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