#423EB5

#423EB5

Color Values

HEX

#423EB5

RGB

66, 62, 181

HSL

242.0, 49.0%, 47.6%

HSV

242.0, 65.7%, 71.0%

CMYK

63.5%, 65.7%, 0.0%, 29.0%

OKLCH

0.4456 0.1819 277.5

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#423EB5

#B1B53E

Analogous

#3E75B5

#7D3EB5

#423EB5

Triadic

#423EB5

#B5423E

#3EB542

Split Complementary

#423EB5

#B57D3E

#75B53E

Tetradic

#423EB5

#B53E75

#B1B53E

#3EB57D

Color Blindness Simulation

Original

#423EB5

Protanopia

#404098

Deuteranopia

#404191

Tritanopia

#42817C

Achromatopsia

#474747

CSS Usage

background-color: #423EB5;
color: #423EB5;
border-color: #423EB5;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#CBCAED
300
#A6A4E0
400
#7672CF
500
#4541BE
600
#373498
700
#2C2A7A
800
#23215F
900
#1D1B46
950
#12112C

Contrast Checker

Text on white

8.11:1

AA Pass AAA Pass

Text on black

2.59:1

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