Black and blue generally refers to a new bruise or contusion. However, this is only in medicine. You could be referring to crayons.
black and blue
Grenade, Bruno Mars.
I think Black mixed with anything is still just Black
When you breed a black and a blue together you get a dark blue or black.
Midnight Black Blue
Blue, black, and white.
blue and black make purple.
A darker blue, or with too much black in it, black.
Mixing blue and black will make a very dark blue.
His favorite colors are black and blue. Not black, blue, and red.
Common coat colors of a black and blue dog include solid black, solid blue, and variations such as black and tan or blue merle.
Mixing black and blue will result in a dark bluish-black color.