#423943

#423943

Color Values

HEX

#423943

RGB

66, 57, 67

HSL

294.0, 8.1%, 24.3%

HSV

294.0, 14.9%, 26.3%

CMYK

1.5%, 14.9%, 0.0%, 73.7%

OKLCH

0.3578 0.0209 322.9

Properties

Cool Dark Nearest: RAL 8019 Grey Brown

Color Harmonies

Complementary

#423943

#3A4339

Analogous

#3D3943

#43393F

#423943

Triadic

#423943

#434239

#394342

Split Complementary

#423943

#3F4339

#39433D

Tetradic

#423943

#433D39

#3A4339

#393F43

Color Blindness Simulation

Original

#423943

Protanopia

#3E3E41

Deuteranopia

#3F3F40

Tritanopia

#423F3E

Achromatopsia

#3C3C3C

CSS Usage

background-color: #423943;
color: #423943;
border-color: #423943;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F8F7F8
100
#EEECEE
200
#DED8DE
300
#C6BDC7
400
#A799A8
500
#88758A
600
#6D5E6E
700
#574B58
800
#443B45
900
#332D34
950
#201C21

Contrast Checker

Text on white

11.06:1

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