#423CB0

#423CB0

Color Values

HEX

#423CB0

RGB

66, 60, 176

HSL

243.1, 49.2%, 46.3%

HSV

243.1, 65.9%, 69.0%

CMYK

62.5%, 65.9%, 0.0%, 31.0%

OKLCH

0.4379 0.1778 278.4

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#423CB0

#AAB03C

Analogous

#3C70B0

#7C3CB0

#423CB0

Triadic

#423CB0

#B0423C

#3CB042

Split Complementary

#423CB0

#B07C3C

#70B03C

Tetradic

#423CB0

#B03C70

#AAB03C

#3CB07C

Color Blindness Simulation

Original

#423CB0

Protanopia

#3F3F94

Deuteranopia

#40408D

Tritanopia

#427E79

Achromatopsia

#464646

CSS Usage

background-color: #423CB0;
color: #423CB0;
border-color: #423CB0;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#CCCAED
300
#A7A4E0
400
#7772CF
500
#4741BE
600
#393498
700
#2E297A
800
#24205F
900
#1D1B46
950
#12112C

Contrast Checker

Text on white

8.38:1

AA Pass AAA Pass

Text on black

2.5:1

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