#423737

#423737

Color Values

HEX

#423737

RGB

66, 55, 55

HSL

0.0, 9.1%, 23.7%

HSV

0.0, 16.7%, 25.9%

CMYK

0.0%, 16.7%, 16.7%, 74.1%

OKLCH

0.3485 0.0156 17.9

Properties

Warm Dark Nearest: RAL 8019 Grey Brown

Color Harmonies

Complementary

#423737

#374242

Analogous

#42373C

#423C37

#423737

Triadic

#423737

#374237

#373742

Split Complementary

#423737

#37423C

#373C42

Tetradic

#423737

#3C4237

#374242

#3C3742

Color Blindness Simulation

Original

#423737

Protanopia

#3D3D37

Deuteranopia

#3E3F37

Tritanopia

#413737

Achromatopsia

#393939

CSS Usage

background-color: #423737;
color: #423737;
border-color: #423737;
Nearest Tailwind: Stone 700 #44403C

Tailwind Shades

50
#F8F7F7
100
#EFECEC
200
#DFD8D8
300
#C7BCBC
400
#A99898
500
#8B7474
600
#6F5D5D
700
#594A4A
800
#463A3A
900
#342C2C
950
#211C1C

Contrast Checker

Text on white

11.45:1

AA Pass AAA Pass

Text on black

1.83:1

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