#423B57

#423B57

Color Values

HEX

#423B57

RGB

66, 59, 87

HSL

255.0, 19.2%, 28.6%

HSV

255.0, 32.2%, 34.1%

CMYK

24.1%, 32.2%, 0.0%, 65.9%

OKLCH

0.3716 0.048 295.4

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#423B57

#50573B

Analogous

#3B4257

#503B57

#423B57

Triadic

#423B57

#57423B

#3B5742

Split Complementary

#423B57

#57503B

#42573B

Tetradic

#423B57

#573B42

#50573B

#3B5750

Color Blindness Simulation

Original

#423B57

Protanopia

#3F3F50

Deuteranopia

#3F404F

Tritanopia

#424B4A

Achromatopsia

#3F3F3F

CSS Usage

background-color: #423B57;
color: #423B57;
border-color: #423B57;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F7F6F9
100
#ECEAF0
200
#D8D4E2
300
#BCB6CE
400
#988FB3
500
#736798
600
#5C527A
700
#4A4261
800
#3A344C
900
#2C2839
950
#1C1924

Contrast Checker

Text on white

10.53:1

AA Pass AAA Pass

Text on black

1.99:1

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