#423752

#423752

Color Values

HEX

#423752

RGB

66, 55, 82

HSL

264.4, 19.7%, 26.9%

HSV

264.4, 32.9%, 32.2%

CMYK

19.5%, 32.9%, 0.0%, 67.8%

OKLCH

0.36 0.0478 302.7

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#423752

#475237

Analogous

#373A52

#503752

#423752

Triadic

#423752

#524237

#375242

Split Complementary

#423752

#525037

#3A5237

Tetradic

#423752

#52373A

#475237

#375250

Color Blindness Simulation

Original

#423752

Protanopia

#3D3D4B

Deuteranopia

#3E3F4A

Tritanopia

#414645

Achromatopsia

#3B3B3B

CSS Usage

background-color: #423752;
color: #423752;
border-color: #423752;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F7F6F9
100
#EDEAF0
200
#DAD4E2
300
#C0B6CE
400
#9D8EB3
500
#7B6699
600
#62527A
700
#4F4262
800
#3D334C
900
#2F2839
950
#1E1924

Contrast Checker

Text on white

11.05:1

AA Pass AAA Pass

Text on black

1.9:1

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