A polarizing plate including a polarizing film, a retardation film, and a color adhesive layer disposed between the polarizing film and the retardation film, and an organic light-emitting device including the polarizing plate. The color adhesive layer may include a first dye that absorbs a first light beam having a peak wavelength of about 470 to about 510 nm, a second dye that absorbs a second light beam having a peak wavelength of about 540 to about 610 nm, and a binder.