#423944

#423944

Color Values

HEX

#423944

RGB

66, 57, 68

HSL

289.1, 8.8%, 24.5%

HSV

289.1, 16.2%, 26.7%

CMYK

2.9%, 16.2%, 0.0%, 73.3%

OKLCH

0.3582 0.0222 320.1

Properties

Cool Dark Nearest: RAL 8019 Grey Brown

Color Harmonies

Complementary

#423944

#3B4439

Analogous

#3C3944

#443940

#423944

Triadic

#423944

#444239

#394442

Split Complementary

#423944

#404439

#39443C

Tetradic

#423944

#443C39

#3B4439

#394044

Color Blindness Simulation

Original

#423944

Protanopia

#3E3E41

Deuteranopia

#3F3F41

Tritanopia

#423F3F

Achromatopsia

#3C3C3C

CSS Usage

background-color: #423944;
color: #423944;
border-color: #423944;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F8F7F8
100
#EEECEE
200
#DDD8DE
300
#C5BCC7
400
#A698A9
500
#87748B
600
#6C5D6F
700
#564A59
800
#433A45
900
#332D34
950
#201C21

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