Blue is my type of color
Good choice, Blue is colours of pigments in painting and traditional colour theory
Is blue related to ones mood?
No, it is a color that can be found within  violet and green on the spectrum of visible light.
Have you not heard of the saying "You look sad and blue"?
I have but what we are speaking of is related to color and not mood :) blues contain a slight mixture of other colors 
Yeah ! But you know blue is also connotes a universal term
It would interest you to know that  an optical effect called Tyndall scattering explains blue eyes