A color conversion composition comprising: a compound represented by the following Chemical Formula 1; and a compound represented by the following Chemical Formula 2, wherein the compound represented by Chemical Formula 1 and the compound represented by Chemical Formula 2 have a molar ratio of 1:1 to 5:1: in Chemical Formulae 1 and 2, X 1 to X 4 are the same as or different from each other, and each independently a halogen group; a cyano group; a hydroxyl group; -OR A; -C(=O)OR B; -OC(=O)R c; a substituted or unsubstituted alkyl group; a substituted or unsubstituted alkynyl group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted aralkyl group; R 1 to R 17 are the same as or different from each other, and each independently hydrogen; deuterium; a halogen group; a cyano group; -OR D; -C(=O)OR E; -OC(=O)R F; -R G OR H; -SR I; -S(=O) 2 OR J; a substituted or unsubstituted amine group; a substituted or unsubstituted silyl group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted alkenyl group; a substituted or unsubstituted alkynyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted aryl group; a substituted or unsubstituted heteroaryl group; or a substituted or unsubstituted coumarin group, or adjacent groups bond to each other to form a ring; and R A to R J are the same as or different from each other, and each independently a substituted or unsubstituted alkyl group; a substituted or unsubstituted aryl group; a substituted or unsubstituted heteroaryl group; a substituted or unsubstituted coumarin group; or a substituted or unsubstituted naphthalimide group. a compound represented by the following Chemical Formula 1; and a compound represented by the following Chemical Formula 2, wherein the compound represented by Chemical Formula 1 and the compound represented by Chemical Formula 2 have a molar ratio of 1:1 to 5:1: X 1 to X 4 are the same as or different from each other, and each independently a halogen group; a cyano group; a hydroxyl group; -OR A; -C(=O)OR B; -OC(=O)R c; a substituted or unsubstituted alkyl group; a substituted or unsubstituted alkynyl group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted aralkyl group; R 1 to R 17 are the same as or different from each other, and each independently hydrogen; deuterium; a halogen group; a cyano group; -OR D; -C(=O)OR E; -OC(=O)R F; -R G OR H; -SR I; -S(=O) 2 OR J; a substituted or unsubstituted amine group; a substituted or unsubstituted silyl group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted alkenyl group; a substituted or unsubstituted alkynyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted aryl group; a substituted or unsubstituted heteroaryl group; or a substituted or unsubstituted coumarin group, or adjacent groups bond to each other to form a ring; and R A to R J are the same as or different from each other, and each independently a substituted or unsubstituted alkyl group; a substituted or unsubstituted aryl group; a substituted or unsubstituted heteroaryl group; a substituted or unsubstituted coumarin group; or a substituted or unsubstituted naphthalimide group.