#3F3639

#3F3639

Color Values

HEX

#3F3639

RGB

63, 54, 57

HSL

340.0, 7.7%, 22.9%

HSV

340.0, 14.3%, 24.7%

CMYK

0.0%, 14.3%, 9.5%, 75.3%

OKLCH

0.3435 0.0136 355.7

Properties

Warm Dark Nearest: RAL 8019 Grey Brown

Color Harmonies

Complementary

#3F3639

#363F3C

Analogous

#3F363D

#3F3736

#3F3639

Triadic

#3F3639

#393F36

#36393F

Split Complementary

#3F3639

#363F37

#363D3F

Tetradic

#3F3639

#3D3F36

#363F3C

#37363F

Color Blindness Simulation

Original

#3F3639

Protanopia

#3B3B38

Deuteranopia

#3C3C38

Tritanopia

#3F3838

Achromatopsia

#383838

CSS Usage

background-color: #3F3639;
color: #3F3639;
border-color: #3F3639;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F8F7F7
100
#EEECED
200
#DED9DA
300
#C7BDC0
400
#A8999E
500
#89767C
600
#6E5E63
700
#584B50
800
#453B3E
900
#342D2F
950
#211C1E

Contrast Checker

Text on white

11.68:1

AA Pass AAA Pass

Text on black

1.8:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026