#423CB5

#423CB5

Color Values

HEX

#423CB5

RGB

66, 60, 181

HSL

243.0, 50.2%, 47.3%

HSV

243.0, 66.9%, 71.0%

CMYK

63.5%, 66.9%, 0.0%, 29.0%

OKLCH

0.4423 0.1843 277.9

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#423CB5

#AFB53C

Analogous

#3C73B5

#7F3CB5

#423CB5

Triadic

#423CB5

#B5423C

#3CB542

Split Complementary

#423CB5

#B57F3C

#73B53C

Tetradic

#423CB5

#B53C73

#AFB53C

#3CB57F

Color Blindness Simulation

Original

#423CB5

Protanopia

#3F3F98

Deuteranopia

#404091

Tritanopia

#42817C

Achromatopsia

#464646

CSS Usage

background-color: #423CB5;
color: #423CB5;
border-color: #423CB5;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#CBC9ED
300
#A6A3E1
400
#7671D0
500
#463FC0
600
#383399
700
#2D297B
800
#232060
900
#1D1B46
950
#12112C

Contrast Checker

Text on white

8.25:1

AA Pass AAA Pass

Text on black

2.55:1

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