#423988

#423988

Color Values

HEX

#423988

RGB

66, 57, 136

HSL

246.8, 40.9%, 37.8%

HSV

246.8, 58.1%, 53.3%

CMYK

51.5%, 58.1%, 0.0%, 46.7%

OKLCH

0.3992 0.1271 284.2

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#423988

#7F8839

Analogous

#395788

#693988

#423988

Triadic

#423988

#884239

#398842

Split Complementary

#423988

#886939

#578839

Tetradic

#423988

#883957

#7F8839

#398869

Color Blindness Simulation

Original

#423988

Protanopia

#3E3E75

Deuteranopia

#3F3F70

Tritanopia

#426662

Achromatopsia

#414141

CSS Usage

background-color: #423988;
color: #423988;
border-color: #423988;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F5FA
100
#E8E7F3
200
#D0CDEA
300
#AEA9DB
400
#837AC7
500
#574BB4
600
#463C90
700
#383073
800
#2C265A
900
#231F42
950
#16132A

Contrast Checker

Text on white

9.67:1

AA Pass AAA Pass

Text on black

2.17:1

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