#3F4F45

#3F4F45

Color Values

HEX

#3F4F45

RGB

63, 79, 69

HSL

142.5, 11.3%, 27.8%

HSV

142.5, 20.3%, 31.0%

CMYK

20.3%, 0.0%, 12.7%, 69.0%

OKLCH

0.4105 0.0261 157.6

Properties

Cool Dark Nearest: RAL 7010 Tarpaulin Grey

Color Harmonies

Complementary

#3F4F45

#4F3F49

Analogous

#414F3F

#3F4F4D

#3F4F45

Triadic

#3F4F45

#453F4F

#4F453F

Split Complementary

#3F4F45

#4D3F4F

#4F3F41

Tetradic

#3F4F45

#3F414F

#4F3F49

#4F4D3F

Color Blindness Simulation

Original

#3F4F45

Protanopia

#464647

Deuteranopia

#454448

Tritanopia

#40494A

Achromatopsia

#4B4B4B

CSS Usage

background-color: #3F4F45;
color: #3F4F45;
border-color: #3F4F45;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F7F8F7
100
#EBEFED
200
#D7DFDA
300
#BBC9C0
400
#96AB9E
500
#718E7C
600
#5A7263
700
#485B4F
800
#39473E
900
#2C352F
950
#1B221E

Contrast Checker

Text on white

8.69:1

AA Pass AAA Pass

Text on black

2.42:1

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