#3F565D

#3F565D

Color Values

HEX

#3F565D

RGB

63, 86, 93

HSL

194.0, 19.2%, 30.6%

HSV

194.0, 32.3%, 36.5%

CMYK

32.3%, 7.5%, 0.0%, 63.5%

OKLCH

0.4371 0.0302 218.5

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#3F565D

#5D463F

Analogous

#3F5D55

#3F475D

#3F565D

Triadic

#3F565D

#5D3F56

#565D3F

Split Complementary

#3F565D

#5D3F47

#5D553F

Tetradic

#3F565D

#553F5D

#5D463F

#475D3F

Color Blindness Simulation

Original

#3F565D

Protanopia

#49495B

Deuteranopia

#48465B

Tritanopia

#405A5A

Achromatopsia

#525252

CSS Usage

background-color: #3F565D;
color: #3F565D;
border-color: #3F565D;
Nearest Tailwind: Gray 600 #4B5563

Tailwind Shades

50
#F6F8F9
100
#EAEFF0
200
#D4DFE2
300
#B6C8CE
400
#8FAAB3
500
#678D98
600
#52707A
700
#425A61
800
#34464C
900
#283539
950
#192124

Contrast Checker

Text on white

7.78:1

AA Pass AAA Pass

Text on black

2.7:1

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