#403237

#403237

Color Values

HEX

#403237

RGB

64, 50, 55

HSL

338.6, 12.3%, 22.4%

HSV

338.6, 21.9%, 25.1%

CMYK

0.0%, 21.9%, 14.1%, 74.9%

OKLCH

0.3344 0.0217 354.9

Properties

Warm Dark Nearest: RAL 8019 Grey Brown

Color Harmonies

Complementary

#403237

#32403B

Analogous

#40323E

#403432

#403237

Triadic

#403237

#374032

#323740

Split Complementary

#403237

#324034

#323E40

Tetradic

#403237

#3E4032

#32403B

#343240

Color Blindness Simulation

Original

#403237

Protanopia

#3A3A36

Deuteranopia

#3B3C36

Tritanopia

#3F3535

Achromatopsia

#353535

CSS Usage

background-color: #403237;
color: #403237;
border-color: #403237;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F8F7F7
100
#EFEBED
200
#E0D7DA
300
#C9BAC0
400
#AC959D
500
#8F707B
600
#735962
700
#5C484F
800
#48383E
900
#362B2F
950
#221B1E

Contrast Checker

Text on white

12.14:1

AA Pass AAA Pass

Text on black

1.73:1

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