#3F495E

#3F495E

Color Values

HEX

#3F495E

RGB

63, 73, 94

HSL

220.6, 19.7%, 30.8%

HSV

220.6, 33.0%, 36.9%

CMYK

33.0%, 22.3%, 0.0%, 63.1%

OKLCH

0.4052 0.0378 264.9

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3F495E

#5E543F

Analogous

#3F595E

#453F5E

#3F495E

Triadic

#3F495E

#5E3F49

#495E3F

Split Complementary

#3F495E

#5E453F

#595E3F

Tetradic

#3F495E

#5E3F59

#5E543F

#3F5E45

Color Blindness Simulation

Original

#3F495E

Protanopia

#434359

Deuteranopia

#434258

Tritanopia

#3F5554

Achromatopsia

#484848

CSS Usage

background-color: #3F495E;
color: #3F495E;
border-color: #3F495E;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F7F9
100
#EAECF0
200
#D4D9E2
300
#B6BECE
400
#8E9AB3
500
#667799
600
#525F7A
700
#424C62
800
#333B4C
900
#282D39
950
#191D24

Contrast Checker

Text on white

9.03:1

AA Pass AAA Pass

Text on black

2.33:1

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