Really, it depends on which shade of purple it is. Maroon should be close enough to purple, since it's formed in the same way purple is-with certain shades of red and blue. I would say, maybe, a shade of blue, a shade that's not too heavy, but not anything lighter than sky blue or periwinkle.
Maroon and white mixed together will create a lighter, desaturated shade of maroon. The resulting color will be a pale pink or blush color with a slight hint of maroon.
Maroon is created by mixing red and brown together. The exact ratios of these two colors will determine the shade of maroon produced.
red and a hint of brown/black.
Red and Maroon.
maroon
Mixing red and brown together in varying proportions will create the color maroon. Adding a touch of black can deepen the shade.
Mostly red about 25% blue, a little bit of black should make a nice maroon.
Maroon
The school colors for the University of Phoenix are maroon and gold.
Purple and red make a shade of dark red or maroon when mixed together.
Mostly red about 25% blue, a little bit of black should make a nice maroon.
Red and brown mixed together often make a deep, earthy shade like maroon or burgundy. The exact resulting color can vary depending on the proportions of red to brown used in the mixture.