#373339

#373339

Color Values

HEX

#373339

RGB

55, 51, 57

HSL

280.0, 5.6%, 21.2%

HSV

280.0, 10.5%, 22.4%

CMYK

3.5%, 10.5%, 0.0%, 77.6%

OKLCH

0.3275 0.0118 314.7

Properties

Cool Dark Nearest: RAL 7026 Granite Grey

Color Harmonies

Complementary

#373339

#353933

Analogous

#343339

#393338

#373339

Triadic

#373339

#393733

#333937

Split Complementary

#373339

#383933

#333934

Tetradic

#373339

#393433

#353933

#333839

Color Blindness Simulation

Original

#373339

Protanopia

#353538

Deuteranopia

#363637

Tritanopia

#373636

Achromatopsia

#343434

CSS Usage

background-color: #373339;
color: #373339;
border-color: #373339;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F7F7F8
100
#EDECEE
200
#DCD9DD
300
#C3BEC5
400
#A29BA6
500
#827887
600
#68606C
700
#534D56
800
#413C43
900
#312E33
950
#1F1D20

Contrast Checker

Text on white

12.39:1

AA Pass AAA Pass

Text on black

1.7:1

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