#FF4545

#FF4545

Color Values

HEX

#FF4545

RGB

255, 69, 69

HSL

0.0, 100.0%, 63.5%

HSV

0.0, 72.9%, 100.0%

CMYK

0.0%, 72.9%, 72.9%, 0.0%

OKLCH

0.6646 0.2222 25.7

Properties

Warm Light Nearest: brown 1

Color Harmonies

Complementary

#FF4545

#45FFFF

Analogous

#FF45A2

#FFA245

#FF4545

Triadic

#FF4545

#45FF45

#4545FF

Split Complementary

#FF4545

#45FFA2

#45A2FF

Tetradic

#FF4545

#A2FF45

#45FFFF

#A245FF

Color Blindness Simulation

Original

#FF4545

Protanopia

#AEAD45

Deuteranopia

#B9C745

Tritanopia

#F64545

Achromatopsia

#6D6D6D

CSS Usage

background-color: #FF4545;
color: #FF4545;
border-color: #FF4545;
Nearest Tailwind: Red 500 #EF4444

Tailwind Shades

50
#FEF1F1
100
#FCDEDE
200
#FFB8B8
300
#FF8585
400
#FF4242
500
#FF0000
600
#CC0000
700
#A30000
800
#800000
900
#5C0505
950
#3A0303

Contrast Checker

Text on white

3.39:1

AA Fail AAA Fail

Text on black

6.19:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026