#3F4F4D

#3F4F4D

Color Values

HEX

#3F4F4D

RGB

63, 79, 77

HSL

172.5, 11.3%, 27.8%

HSV

172.5, 20.3%, 31.0%

CMYK

20.3%, 0.0%, 2.5%, 69.0%

OKLCH

0.4132 0.0204 187.1

Properties

Cool Dark Nearest: Outer Space

Color Harmonies

Complementary

#3F4F4D

#4F3F41

Analogous

#3F4F45

#3F494F

#3F4F4D

Triadic

#3F4F4D

#4D3F4F

#4F4D3F

Split Complementary

#3F4F4D

#4F3F49

#4F453F

Tetradic

#3F4F4D

#453F4F

#4F3F41

#494F3F

Color Blindness Simulation

Original

#3F4F4D

Protanopia

#46464D

Deuteranopia

#45444E

Tritanopia

#404E4E

Achromatopsia

#4B4B4B

CSS Usage

background-color: #3F4F4D;
color: #3F4F4D;
border-color: #3F4F4D;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F7F8F8
100
#EBEFEE
200
#D7DFDE
300
#BBC9C7
400
#96ABA9
500
#718E8A
600
#5A726F
700
#485B59
800
#394745
900
#2C3534
950
#1B2221

Contrast Checker

Text on white

8.62:1

AA Pass AAA Pass

Text on black

2.44:1

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