#423ACF

#423ACF

Color Values

HEX

#423ACF

RGB

66, 58, 207

HSL

243.2, 60.8%, 52.0%

HSV

243.2, 72.0%, 81.2%

CMYK

68.1%, 72.0%, 0.0%, 18.8%

OKLCH

0.4638 0.2188 276.0

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#423ACF

#C7CF3A

Analogous

#3A7DCF

#8D3ACF

#423ACF

Triadic

#423ACF

#CF423A

#3ACF42

Split Complementary

#423ACF

#CF8D3A

#7DCF3A

Tetradic

#423ACF

#CF3A7D

#C7CF3A

#3ACF8D

Color Blindness Simulation

Original

#423ACF

Protanopia

#3F3EAB

Deuteranopia

#3F40A2

Tritanopia

#428E88

Achromatopsia

#464646

CSS Usage

background-color: #423ACF;
color: #423ACF;
border-color: #423ACF;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F4F3FB
100
#E5E4F6
200
#C8C6F1
300
#A19DE7
400
#6D67DA
500
#3A32CD
600
#2F28A4
700
#252083
800
#1D1967
900
#19164B
950
#100E2F

Contrast Checker

Text on white

7.67:1

AA Pass AAA Pass

Text on black

2.74:1

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