A compound for an organic photoelectric device represented by the following Chemical Formula 1: wherein, in Chemical Formula 1, X 1 to X 3 are the same or different, and are each independently N or CR, provided that at least one of X 1 to X 3 is N, and R is hydrogen or a C1 to C10 lower alkyl group, Ar 1 and Ar 2 are the same or different, and are each independently substituted or unsubstituted C6 to C18 arylene group, wherein the substituent of Ar 1 and Ar 2 is selected the group consisting of a C1 to C30 alkyl group, a C1 to C10 alkylsilyl group, a C3 to C30 cycloalkyl group, a C6 to C30 aryl group, a C1 to C10 alkoxy group, a fluoro group, a C1 to C10 trifluoroalkyl group, and a cyano, Ar 3 and Ar 4 are the same or different, and are each independently substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C1 to C30 alkylene group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C2 to C30 heteroaryl group, a substituted or unsubstituted C2 to C30 heteroarylene group, or a combination thereof, the Ar 3 and Ar 4 are fused to each other to provide a fused ring, wherein the substituent of Ar 3 and Ar 4 is selected the group consisting of a C1 to C30 alkyl group, a C1 to C10 alkylsilyl group, a C3 to C30 cycloalkyl group, a C6 to C30 aryl group, a C1 to C10 alkoxy group, a fluoro group, a C1 to C10 trifluoroalkyl group, and a cyano, Ar 5 and Ar 6 are the same or different, and are each independently substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, or a combination thereof, wherein the substituent of Ar 5 and Ar 6 is selected the group consisting of a C1 to C30 alkyl group, a C1 to C10 alkylsilyl group, a C3 to C30 cycloalkyl group, a C6 to C30 aryl group, a C1 to C10 alkoxy group, a fluoro group, a C1 to C10 trifluoroalkyl group, and a cyano, and R 1 and R 2 are the same or different, and are each independently hydrogen or a C1 to C10 lower alkyl group. X 1 to X 3 are the same or different, and are each independently N or CR, provided that at least one of X 1 to X 3 is N, and R is hydrogen or a C1 to C10 lower alkyl group, Ar 1 and Ar 2 are the same or different, and are each independently substituted or unsubstituted C6 to C18 arylene group, wherein the substituent of Ar 1 and Ar 2 is selected the group consisting of a C1 to C30 alkyl group, a C1 to C10 alkylsilyl group, a C3 to C30 cycloalkyl group, a C6 to C30 aryl group, a C1 to C10 alkoxy group, a fluoro group, a C1 to C10 trifluoroalkyl group, and a cyano, Ar 3 and Ar 4 are the same or different, and are each independently substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C1 to C30 alkylene group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C2 to C30 heteroaryl group, a substituted or unsubstituted C2 to C30 heteroarylene group, or a combination thereof, the Ar 3 and Ar 4 are fused to each other to provide a fused ring, wherein the substituent of Ar 3 and Ar 4 is selected the group consisting of a C1 to C30 alkyl group, a C1 to C10 alkylsilyl group, a C3 to C30 cycloalkyl group, a C6 to C30 aryl group, a C1 to C10 alkoxy group, a fluoro group, a C1 to C10 trifluoroalkyl group, and a cyano, Ar 5 and Ar 6 are the same or different, and are each independently substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, or a combination thereof, wherein the substituent of Ar 5 and Ar 6 is selected the group consisting of a C1 to C30 alkyl group, a C1 to C10 alkylsilyl group, a C3 to C30 cycloalkyl group, a C6 to C30 aryl group, a C1 to C10 alkoxy group, a fluoro group, a C1 to C10 trifluoroalkyl group, and a cyano, and R 1 and R 2 are the same or different, and are each independently hydrogen or a C1 to C10 lower alkyl group.