#3F4246

#3F4246

Color Values

HEX

#3F4246

RGB

63, 66, 70

HSL

214.3, 5.3%, 26.1%

HSV

214.3, 10.0%, 27.5%

CMYK

10.0%, 5.7%, 0.0%, 72.5%

OKLCH

0.3777 0.0079 255.5

Properties

Cool Dark Nearest: RAL 7031 Blue Grey

Color Harmonies

Complementary

#3F4246

#46433F

Analogous

#3F4646

#403F46

#3F4246

Triadic

#3F4246

#463F42

#42463F

Split Complementary

#3F4246

#46403F

#46463F

Tetradic

#3F4246

#463F46

#46433F

#3F4640

Color Blindness Simulation

Original

#3F4246

Protanopia

#404045

Deuteranopia

#404045

Tritanopia

#3F4444

Achromatopsia

#424242

CSS Usage

background-color: #3F4246;
color: #3F4246;
border-color: #3F4246;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F7F7F8
100
#ECEDEE
200
#D9DBDD
300
#BFC1C5
400
#9CA0A6
500
#797F86
600
#61656B
700
#4D5156
800
#3C3F43
900
#2E3033
950
#1D1E20

Contrast Checker

Text on white

10.1:1

AA Pass AAA Pass

Text on black

2.08:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026