#3F3D3F

#3F3D3F

Color Values

HEX

#3F3D3F

RGB

63, 61, 63

HSL

300.0, 1.6%, 24.3%

HSV

300.0, 3.2%, 24.7%

CMYK

0.0%, 3.2%, 0.0%, 75.3%

OKLCH

0.3627 0.0043 325.7

Properties

Warm Dark Nearest: RAL 8019 Grey Brown

Color Harmonies

Complementary

#3F3D3F

#3D3F3D

Analogous

#3E3D3F

#3F3D3E

#3F3D3F

Triadic

#3F3D3F

#3F3F3D

#3D3F3F

Split Complementary

#3F3D3F

#3E3F3D

#3D3F3E

Tetradic

#3F3D3F

#3F3E3D

#3D3F3D

#3D3E3F

Color Blindness Simulation

Original

#3F3D3F

Protanopia

#3E3E3F

Deuteranopia

#3E3E3E

Tritanopia

#3F3E3E

Achromatopsia

#3E3E3E

CSS Usage

background-color: #3F3D3F;
color: #3F3D3F;
border-color: #3F3D3F;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F7F7F7
100
#EDEDED
200
#DCDBDC
300
#C3C1C3
400
#A29FA2
500
#827D82
600
#686468
700
#535053
800
#413F41
900
#313031
950
#1F1E1F

Contrast Checker

Text on white

10.77:1

AA Pass AAA Pass

Text on black

1.95:1

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