#3F4D53

#3F4D53

Color Values

HEX

#3F4D53

RGB

63, 77, 83

HSL

198.0, 13.7%, 28.6%

HSV

198.0, 24.1%, 32.5%

CMYK

24.1%, 7.2%, 0.0%, 67.5%

OKLCH

0.4104 0.0204 225.7

Properties

Cool Dark Nearest: Outer Space

Color Harmonies

Complementary

#3F4D53

#53453F

Analogous

#3F534F

#3F4353

#3F4D53

Triadic

#3F4D53

#533F4D

#4D533F

Split Complementary

#3F4D53

#533F43

#534F3F

Tetradic

#3F4D53

#4F3F53

#53453F

#43533F

Color Blindness Simulation

Original

#3F4D53

Protanopia

#454552

Deuteranopia

#444351

Tritanopia

#405050

Achromatopsia

#4A4A4A

CSS Usage

background-color: #3F4D53;
color: #3F4D53;
border-color: #3F4D53;
Nearest Tailwind: Gray 600 #4B5563

Tailwind Shades

50
#F6F8F8
100
#EBEEEF
200
#D6DDE0
300
#B9C5CA
400
#94A6AE
500
#6E8691
600
#586C74
700
#46565D
800
#374348
900
#2A3336
950
#1B2022

Contrast Checker

Text on white

8.76:1

AA Pass AAA Pass

Text on black

2.4:1

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