#EF4747

#EF4747

Color Values

HEX

#EF4747

RGB

239, 71, 71

HSL

0.0, 84.0%, 60.8%

HSV

0.0, 70.3%, 93.7%

CMYK

0.0%, 70.3%, 70.3%, 6.3%

OKLCH

0.6401 0.2049 25.1

Properties

Warm Light Nearest: brown 2

Color Harmonies

Complementary

#EF4747

#47EFEF

Analogous

#EF479B

#EF9B47

#EF4747

Triadic

#EF4747

#47EF47

#4747EF

Split Complementary

#EF4747

#47EF9B

#479BEF

Tetradic

#EF4747

#9BEF47

#47EFEF

#9B47EF

Color Blindness Simulation

Original

#EF4747

Protanopia

#A6A547

Deuteranopia

#B0BD47

Tritanopia

#E74747

Achromatopsia

#6B6B6B

CSS Usage

background-color: #EF4747;
color: #EF4747;
border-color: #EF4747;
Nearest Tailwind: Red 500 #EF4444

Tailwind Shades

50
#FDF2F2
100
#FAE0E0
200
#F9BDBD
300
#F58E8E
400
#F05151
500
#EB1414
600
#BC1010
700
#960D0D
800
#750A0A
900
#550C0C
950
#360707

Contrast Checker

Text on white

3.71:1

AA Fail AAA Fail

Text on black

5.66:1

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