#4243BA

#4243BA

Color Values

HEX

#4243BA

RGB

66, 67, 186

HSL

239.5, 47.6%, 49.4%

HSV

239.5, 64.5%, 72.9%

CMYK

64.5%, 64.0%, 0.0%, 27.1%

OKLCH

0.4584 0.1825 276.1

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#4243BA

#BAB942

Analogous

#427FBA

#7D42BA

#4243BA

Triadic

#4243BA

#BA4243

#43BA42

Split Complementary

#4243BA

#BA7D42

#7FBA42

Tetradic

#4243BA

#BA427F

#BAB942

#42BA7D

Color Blindness Simulation

Original

#4243BA

Protanopia

#42429D

Deuteranopia

#424296

Tritanopia

#428681

Achromatopsia

#4B4B4B

CSS Usage

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

Tailwind Shades

50
#F4F4FA
100
#E6E6F4
200
#CACBEC
300
#A5A5DF
400
#7474CE
500
#4344BC
600
#353697
700
#2B2B78
800
#21225E
900
#1C1C45
950
#11122C

Contrast Checker

Text on white

7.65:1

AA Pass AAA Pass

Text on black

2.74:1

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