#3F5153

#3F5153

Color Values

HEX

#3F5153

RGB

63, 81, 83

HSL

186.0, 13.7%, 28.6%

HSV

186.0, 24.1%, 32.5%

CMYK

24.1%, 2.4%, 0.0%, 67.5%

OKLCH

0.4205 0.0226 204.7

Properties

Cool Dark Nearest: Outer Space

Color Harmonies

Complementary

#3F5153

#53413F

Analogous

#3F534B

#3F4753

#3F5153

Triadic

#3F5153

#533F51

#51533F

Split Complementary

#3F5153

#533F47

#534B3F

Tetradic

#3F5153

#4B3F53

#53413F

#47533F

Color Blindness Simulation

Original

#3F5153

Protanopia

#474753

Deuteranopia

#464452

Tritanopia

#405252

Achromatopsia

#4D4D4D

CSS Usage

background-color: #3F5153;
color: #3F5153;
border-color: #3F5153;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F6F8F8
100
#EBEFEF
200
#D6DFE0
300
#B9C9CA
400
#94ABAE
500
#6E8D91
600
#587174
700
#465B5D
800
#374748
900
#2A3536
950
#1B2222

Contrast Checker

Text on white

8.36:1

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