#3F5152

#3F5152

Color Values

HEX

#3F5152

RGB

63, 81, 82

HSL

183.2, 13.1%, 28.4%

HSV

183.2, 23.2%, 32.2%

CMYK

23.2%, 1.2%, 0.0%, 67.8%

OKLCH

0.4201 0.0225 200.5

Properties

Cool Dark Nearest: Outer Space

Color Harmonies

Complementary

#3F5152

#52403F

Analogous

#3F5249

#3F4752

#3F5152

Triadic

#3F5152

#523F51

#51523F

Split Complementary

#3F5152

#523F47

#52493F

Tetradic

#3F5152

#493F52

#52403F

#47523F

Color Blindness Simulation

Original

#3F5152

Protanopia

#474752

Deuteranopia

#464452

Tritanopia

#405252

Achromatopsia

#4D4D4D

CSS Usage

background-color: #3F5152;
color: #3F5152;
border-color: #3F5152;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F6F8F8
100
#EBEFEF
200
#D7DFE0
300
#BAC9CA
400
#94ACAD
500
#6F8E90
600
#597273
700
#475B5C
800
#374748
900
#2B3636
950
#1B2222

Contrast Checker

Text on white

8.37:1

AA Pass AAA Pass

Text on black

2.51:1

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