#3F5B5F

#3F5B5F

Color Values

HEX

#3F5B5F

RGB

63, 91, 95

HSL

187.5, 20.3%, 31.0%

HSV

187.5, 33.7%, 37.3%

CMYK

33.7%, 4.2%, 0.0%, 62.7%

OKLCH

0.4506 0.0338 207.1

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#3F5B5F

#5F433F

Analogous

#3F5F53

#3F4B5F

#3F5B5F

Triadic

#3F5B5F

#5F3F5B

#5B5F3F

Split Complementary

#3F5B5F

#5F3F4B

#5F533F

Tetradic

#3F5B5F

#533F5F

#5F433F

#4B5F3F

Color Blindness Simulation

Original

#3F5B5F

Protanopia

#4B4B5E

Deuteranopia

#4A475E

Tritanopia

#405D5D

Achromatopsia

#555555

CSS Usage

background-color: #3F5B5F;
color: #3F5B5F;
border-color: #3F5B5F;
Nearest Tailwind: Gray 600 #4B5563

Tailwind Shades

50
#F6F8F9
100
#EAEFF0
200
#D4E1E3
300
#B5CBCE
400
#8DAFB4
500
#669399
600
#51767B
700
#415E62
800
#33494D
900
#283739
950
#192324

Contrast Checker

Text on white

7.31:1

AA Pass AAA Pass

Text on black

2.87:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026