#423DB5

#423DB5

Color Values

HEX

#423DB5

RGB

66, 61, 181

HSL

242.5, 49.6%, 47.5%

HSV

242.5, 66.3%, 71.0%

CMYK

63.5%, 66.3%, 0.0%, 29.0%

OKLCH

0.444 0.1831 277.7

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#423DB5

#B0B53D

Analogous

#3D74B5

#7E3DB5

#423DB5

Triadic

#423DB5

#B5423D

#3DB542

Split Complementary

#423DB5

#B57E3D

#74B53D

Tetradic

#423DB5

#B53D74

#B0B53D

#3DB57E

Color Blindness Simulation

Original

#423DB5

Protanopia

#404098

Deuteranopia

#404091

Tritanopia

#42817C

Achromatopsia

#474747

CSS Usage

background-color: #423DB5;
color: #423DB5;
border-color: #423DB5;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#CBCAED
300
#A6A3E0
400
#7672CF
500
#4640BF
600
#383399
700
#2C297A
800
#23205F
900
#1D1B46
950
#12112C

Contrast Checker

Text on white

8.18:1

AA Pass AAA Pass

Text on black

2.57:1

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