#423F9F

#423F9F

Color Values

HEX

#423F9F

RGB

66, 63, 159

HSL

241.9, 43.2%, 43.5%

HSV

241.9, 60.4%, 62.4%

CMYK

58.5%, 60.4%, 0.0%, 37.6%

OKLCH

0.4286 0.1512 279.3

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#423F9F

#9C9F3F

Analogous

#3F6C9F

#723F9F

#423F9F

Triadic

#423F9F

#9F423F

#3F9F42

Split Complementary

#423F9F

#9F723F

#6C9F3F

Tetradic

#423F9F

#9F3F6C

#9C9F3F

#3F9F72

Color Blindness Simulation

Original

#423F9F

Protanopia

#414188

Deuteranopia

#414182

Tritanopia

#427571

Achromatopsia

#474747

CSS Usage

background-color: #423F9F;
color: #423F9F;
border-color: #423F9F;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F5FA
100
#E7E7F4
200
#CDCCEB
300
#A9A7DC
400
#7A78C9
500
#4C48B7
600
#3D3A92
700
#312E75
800
#26245B
900
#1F1E43
950
#13132A

Contrast Checker

Text on white

8.59:1

AA Pass AAA Pass

Text on black

2.44:1

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