Memphis basilia is a butterfly with forewings with a humped costal edge, pointed apex, concave outer edge near the apex, concave inner edge and hindwings each with a tail. The upperside of the male's wings is dark blue with a discreet basal metallic blue suffusion and on the forewings a few blue spots near the apex, the female's is light brown with a mauve basal part. The underside is bright orange mottled with pearlywhite and simulates a dead leaf.