#4243F1

#4243F1

Color Values

HEX

#4243F1

RGB

66, 67, 241

HSL

239.7, 86.2%, 60.2%

HSV

239.7, 72.6%, 94.5%

CMYK

72.6%, 72.2%, 0.0%, 5.5%

OKLCH

0.5098 0.2502 272.8

Properties

Cool Dark Nearest: blueviolet

Color Harmonies

Complementary

#4243F1

#F1F042

Analogous

#429AF1

#9942F1

#4243F1

Triadic

#4243F1

#F14243

#43F142

Split Complementary

#4243F1

#F19942

#9AF142

Tetradic

#4243F1

#F1429A

#F1F042

#42F199

Color Blindness Simulation

Original

#4243F1

Protanopia

#4242C7

Deuteranopia

#4242BD

Tritanopia

#42A69E

Achromatopsia

#4F4F4F

CSS Usage

background-color: #4243F1;
color: #4243F1;
border-color: #4243F1;
Nearest Tailwind: Indigo 600 #4F46E5

Tailwind Shades

50
#F2F2FD
100
#E0E0FA
200
#BDBDFA
300
#8D8EF7
400
#4F50F2
500
#1213ED
600
#0E0FBE
700
#0B0C98
800
#090977
900
#0B0B56
950
#070736

Contrast Checker

Text on white

6.35:1

AA Pass AAA Fail

Text on black

3.3:1

AA Fail 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