#F51517

#F51517

Color Values

HEX

#F51517

RGB

245, 21, 23

HSL

359.5, 91.8%, 52.2%

HSV

359.5, 91.4%, 96.1%

CMYK

0.0%, 91.4%, 90.6%, 3.9%

OKLCH

0.6145 0.2446 28.4

Properties

Warm Light Nearest: red 2

Color Harmonies

Complementary

#F51517

#15F5F3

Analogous

#F51587

#F58315

#F51517

Triadic

#F51517

#17F515

#1517F5

Split Complementary

#F51517

#15F583

#1587F5

Tetradic

#F51517

#87F515

#15F5F3

#8315F5

Color Blindness Simulation

Original

#F51517

Protanopia

#949217

Deuteranopia

#A1B216

Tritanopia

#EA1616

Achromatopsia

#454545

CSS Usage

background-color: #F51517;
color: #F51517;
border-color: #F51517;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FDF1F1
100
#FBDFDF
200
#FCBBBB
300
#FA8A8B
400
#F74A4B
500
#F50A0C
600
#C4080A
700
#9D0708
800
#7A0506
900
#580809
950
#380506

Contrast Checker

Text on white

4.2:1

AA Fail AAA Fail

Text on black

5.0:1

AA Pass AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026