#3F3738

#3F3738

Color Values

HEX

#3F3738

RGB

63, 55, 56

HSL

352.5, 6.8%, 23.1%

HSV

352.5, 12.7%, 24.7%

CMYK

0.0%, 12.7%, 11.1%, 75.3%

OKLCH

0.3455 0.0114 9.1

Properties

Warm Dark Nearest: RAL 8019 Grey Brown

Color Harmonies

Complementary

#3F3738

#373F3E

Analogous

#3F373C

#3F3A37

#3F3738

Triadic

#3F3738

#383F37

#37383F

Split Complementary

#3F3738

#373F3A

#373C3F

Tetradic

#3F3738

#3C3F37

#373F3E

#3A373F

Color Blindness Simulation

Original

#3F3738

Protanopia

#3C3B38

Deuteranopia

#3C3D38

Tritanopia

#3F3838

Achromatopsia

#393939

CSS Usage

background-color: #3F3738;
color: #3F3738;
border-color: #3F3738;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F8F7F7
100
#EEECEC
200
#DED9D9
300
#C6BEBF
400
#A79A9C
500
#887779
600
#6D5F61
700
#574C4D
800
#443B3C
900
#332D2E
950
#201D1D

Contrast Checker

Text on white

11.57:1

AA Pass AAA Pass

Text on black

1.81:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026