To provide an optical film excellent in suppression of light leakage in black display. An optical film having a first phase difference layer and a second phase difference layer, wherein the second phase difference layer has an optical property represented by the formula (3), and the optical film has optical properties represented by the formulae (1), (2) and (30) is provided: Δn(450)/Δn(550)≦1.00  (1) 1.00≦Δn(650)/Δn(550)  (2) nx≈ny