#4243B7

#4243B7

Color Values

HEX

#4243B7

RGB

66, 67, 183

HSL

239.5, 47.0%, 48.8%

HSV

239.5, 63.9%, 71.8%

CMYK

63.9%, 63.4%, 0.0%, 28.2%

OKLCH

0.4558 0.1785 276.3

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#4243B7

#B7B642

Analogous

#427DB7

#7B42B7

#4243B7

Triadic

#4243B7

#B74243

#43B742

Split Complementary

#4243B7

#B77B42

#7DB742

Tetradic

#4243B7

#B7427D

#B7B642

#42B77B

Color Blindness Simulation

Original

#4243B7

Protanopia

#42429B

Deuteranopia

#424294

Tritanopia

#428580

Achromatopsia

#4B4B4B

CSS Usage

background-color: #4243B7;
color: #4243B7;
border-color: #4243B7;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F4FA
100
#E6E6F4
200
#CBCBEC
300
#A5A6DF
400
#7475CD
500
#4445BB
600
#363796
700
#2B2C78
800
#22225E
900
#1C1C45
950
#12122C

Contrast Checker

Text on white

7.73:1

AA Pass AAA Pass

Text on black

2.72:1

AA Fail 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