#423966

#423966

Color Values

HEX

#423966

RGB

66, 57, 102

HSL

252.0, 28.3%, 31.2%

HSV

252.0, 44.1%, 40.0%

CMYK

35.3%, 44.1%, 0.0%, 60.0%

OKLCH

0.3756 0.0758 291.5

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#423966

#5D6639

Analogous

#394766

#593966

#423966

Triadic

#423966

#664239

#396642

Split Complementary

#423966

#665939

#476639

Tetradic

#423966

#663947

#5D6639

#396659

Color Blindness Simulation

Original

#423966

Protanopia

#3E3E5B

Deuteranopia

#3F3F58

Tritanopia

#425351

Achromatopsia

#3E3E3E

CSS Usage

background-color: #423966;
color: #423966;
border-color: #423966;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F6F6F9
100
#EBE9F1
200
#D5D1E5
300
#B7B0D3
400
#9186BB
500
#6A5BA4
600
#554983
700
#443B69
800
#352E52
900
#29243D
950
#1A1726

Contrast Checker

Text on white

10.45:1

AA Pass AAA Pass

Text on black

2.01:1

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