#3F6688

#3F6688

Color Values

HEX

#3F6688

RGB

63, 102, 136

HSL

207.9, 36.7%, 39.0%

HSV

207.9, 53.7%, 53.3%

CMYK

53.7%, 25.0%, 0.0%, 46.7%

OKLCH

0.4961 0.0704 246.1

Properties

Cool Dark Nearest: steelblue 4

Color Harmonies

Complementary

#3F6688

#88613F

Analogous

#3F8885

#3F4288

#3F6688

Triadic

#3F6688

#883F66

#66883F

Split Complementary

#3F6688

#883F42

#88853F

Tetradic

#3F6688

#853F88

#88613F

#42883F

Color Blindness Simulation

Original

#3F6688

Protanopia

#505080

Deuteranopia

#4E4B7E

Tritanopia

#417978

Achromatopsia

#606060

CSS Usage

background-color: #3F6688;
color: #3F6688;
border-color: #3F6688;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F5F8FA
100
#E8EEF3
200
#CEDCE8
300
#ABC3D8
400
#7EA3C3
500
#5183AE
600
#41698B
700
#345470
800
#284157
900
#203240
950
#141F29

Contrast Checker

Text on white

6.06:1

AA Pass AAA Fail

Text on black

3.47:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026