A display apparatus includes a plurality of optical modulators that display monochromatic images, respectively, an optical system that synthesizes the monochromatic images into a color image, a luminance non-uniformity correction unit that adjusts a correction coefficient according to a luminance to be displayed, and that corrects a luminance non-uniformity in the monochromatic image using the adjusted correction coefficient, and a color non-uniformity correction unit that adjusts a luminance balance among the monochromatic images per pixel or pixel block, thereby correcting a color non-uniformity in the color image.