One of the tricks to pulling off a combo like this is picking 2 colours from the same colour family and since maroon is a combination of dark red and brown, the aesthetics line up for a daring, but beautiful pairing. (jessicaluxe.com)
For the eyes brush eyeshadow in the same colour family as hair to the entire eyelid and underneath eyes and layer with a complimentary colour, working up toward the crease of the eyes. (citystyleandliving.com)
To start, try keeping the prints within the same colour family or pairing complimentary colours (e.g orange / blue, red / green) together. (racheldinh.com)