#423C8F

#423C8F

Color Values

HEX

#423C8F

RGB

66, 60, 143

HSL

244.3, 40.9%, 39.8%

HSV

244.3, 58.0%, 56.1%

CMYK

53.8%, 58.0%, 0.0%, 43.9%

OKLCH

0.4103 0.1328 282.1

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#423C8F

#898F3C

Analogous

#3C608F

#6B3C8F

#423C8F

Triadic

#423C8F

#8F423C

#3C8F42

Split Complementary

#423C8F

#8F6B3C

#608F3C

Tetradic

#423C8F

#8F3C60

#898F3C

#3C8F6B

Color Blindness Simulation

Original

#423C8F

Protanopia

#3F3F7B

Deuteranopia

#404076

Tritanopia

#426B68

Achromatopsia

#434343

CSS Usage

background-color: #423C8F;
color: #423C8F;
border-color: #423C8F;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F5FA
100
#E8E7F3
200
#CFCDEA
300
#ACA9DB
400
#807AC7
500
#534BB4
600
#423C90
700
#353073
800
#29265A
900
#211F42
950
#15132A

Contrast Checker

Text on white

9.23:1

AA Pass AAA Pass

Text on black

2.27:1

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