#3F524F

#3F524F

Color Values

HEX

#3F524F

RGB

63, 82, 79

HSL

170.5, 13.1%, 28.4%

HSV

170.5, 23.2%, 32.2%

CMYK

23.2%, 0.0%, 3.7%, 67.8%

OKLCH

0.4216 0.0241 184.5

Properties

Cool Dark Nearest: RAL 7012 Basalt Grey

Color Harmonies

Complementary

#3F524F

#523F42

Analogous

#3F5245

#3F4B52

#3F524F

Triadic

#3F524F

#4F3F52

#524F3F

Split Complementary

#3F524F

#523F4B

#52453F

Tetradic

#3F524F

#453F52

#523F42

#4B523F

Color Blindness Simulation

Original

#3F524F

Protanopia

#474750

Deuteranopia

#464550

Tritanopia

#405050

Achromatopsia

#4E4E4E

CSS Usage

background-color: #3F524F;
color: #3F524F;
border-color: #3F524F;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F6F8F8
100
#EBEFEF
200
#D7E0DE
300
#BACAC7
400
#94ADA9
500
#6F908B
600
#59736F
700
#475C59
800
#374845
900
#2B3634
950
#1B2221

Contrast Checker

Text on white

8.3:1

AA Pass AAA Pass

Text on black

2.53:1

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