#3F4546

#3F4546

Color Values

HEX

#3F4546

RGB

63, 69, 70

HSL

188.6, 5.3%, 26.1%

HSV

188.6, 10.0%, 27.5%

CMYK

10.0%, 1.4%, 0.0%, 72.5%

OKLCH

0.3852 0.0081 208.8

Properties

Cool Dark Nearest: Outer Space

Color Harmonies

Complementary

#3F4546

#46403F

Analogous

#3F4644

#3F4246

#3F4546

Triadic

#3F4546

#463F45

#45463F

Split Complementary

#3F4546

#463F42

#46443F

Tetradic

#3F4546

#443F46

#46403F

#42463F

Color Blindness Simulation

Original

#3F4546

Protanopia

#424246

Deuteranopia

#414146

Tritanopia

#3F4646

Achromatopsia

#444444

CSS Usage

background-color: #3F4546;
color: #3F4546;
border-color: #3F4546;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F7F8F8
100
#ECEEEE
200
#D9DDDD
300
#BFC4C5
400
#9CA4A6
500
#798486
600
#616A6B
700
#4D5556
800
#3C4243
900
#2E3233
950
#1D2020

Contrast Checker

Text on white

9.76:1

AA Pass AAA Pass

Text on black

2.15:1

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