#3F504F

#3F504F

Color Values

HEX

#3F504F

RGB

63, 80, 79

HSL

176.5, 11.9%, 28.0%

HSV

176.5, 21.2%, 31.4%

CMYK

21.2%, 0.0%, 1.2%, 68.6%

OKLCH

0.4165 0.0213 191.9

Properties

Cool Dark Nearest: Outer Space

Color Harmonies

Complementary

#3F504F

#503F40

Analogous

#3F5046

#3F4850

#3F504F

Triadic

#3F504F

#4F3F50

#504F3F

Split Complementary

#3F504F

#503F48

#50463F

Tetradic

#3F504F

#463F50

#503F40

#48503F

Color Blindness Simulation

Original

#3F504F

Protanopia

#46474F

Deuteranopia

#45444F

Tritanopia

#404F4F

Achromatopsia

#4C4C4C

CSS Usage

background-color: #3F504F;
color: #3F504F;
border-color: #3F504F;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F7F8F8
100
#EBEFEF
200
#D7E0DF
300
#BBC9C8
400
#95ACAB
500
#708F8D
600
#5A7271
700
#485B5A
800
#384746
900
#2B3635
950
#1B2221

Contrast Checker

Text on white

8.5:1

AA Pass AAA Pass

Text on black

2.47:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026