Blue
Blue is a color commonly associated with the sky and the sea. It simbolizes loyalty, wisdom and confidence.
Blue is strongly associated wiht tranquility and calmness because it creates a calming effect on the body.
The color blue is most commonly associated with the male gender and dark blue is a color that is very likely to be used in corporate America.
Many restaurants use blue as their color, because it is an appetite supressant, contrary to yellow and red, which increase make you hungry.