The Effects the Color Blue has on Our PopulationBlue is a cool and calming color that shows creativity and intelligence. The color blue is a popular color among large companies, hospitals and airlines. It is a color that symbolizes loyalty, strength, wisdom and trust. Blue color meaning is also known to have a calming effect on the psyche. Blue is the color of the sky and the sea and is often used to represent these images. Blue is a color that generally looks good in almost any shade and it is a very popular color.