#423B5F

#423B5F

Color Values

HEX

#423B5F

RGB

66, 59, 95

HSL

251.7, 23.4%, 30.2%

HSV

251.7, 37.9%, 37.3%

CMYK

30.5%, 37.9%, 0.0%, 62.7%

OKLCH

0.3759 0.061 292.1

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#423B5F

#585F3B

Analogous

#3B465F

#543B5F

#423B5F

Triadic

#423B5F

#5F423B

#3B5F42

Split Complementary

#423B5F

#5F543B

#465F3B

Tetradic

#423B5F

#5F3B46

#585F3B

#3B5F54

Color Blindness Simulation

Original

#423B5F

Protanopia

#3F3F56

Deuteranopia

#3F4054

Tritanopia

#424F4E

Achromatopsia

#3F3F3F

CSS Usage

background-color: #423B5F;
color: #423B5F;
border-color: #423B5F;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F9
100
#EBEAF1
200
#D6D3E4
300
#B9B3D0
400
#938BB7
500
#6D629D
600
#574E7E
700
#463F65
800
#37314F
900
#2A263B
950
#1B1825

Contrast Checker

Text on white

10.38:1

AA Pass AAA Pass

Text on black

2.02:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026