Photoelectric conversion element, imaging element, optical sensor, and compound

A photoelectric conversion element comprising:

• a conductive film;
• a photoelectric conversion film;
• and
• a transparent conductive film, in this order,
• wherein the photoelectric conversion film contains a compound represented by Formula (1),
• in Formula (1), Ar1 represents an aryl group which may have a substituent or a heteroaryl group which may have a substituent, R1 represents a hydrogen atom or a substituent, X1 to X3 each independently represent CR2 or a nitrogen atom, R2 represents a hydrogen atom or a substituent, Ra1 and Ra2 each independently represent a substituent having 2 or more carbon atoms, Ra1 and Ra2 may bond to each other to form a ring, L1 represents a carbon atom, a silicon atom, or a germanium atom, B represents an aromatic ring which may have a substituent, Y represents a group represented by Formula (1-1) or a group represented by Formula (1-2), A1 represents a ring containing at least two carbon atoms, Rb1 and Rb2 each independently represent a cyano group or —COORd1, Rd1 represents an alkyl group or an aryl group, and * represents a bonding position,
• where, the compound represented by Formula (1) has none of a carboxy group, a salt of a carboxy group, a phosphoric acid group, a salt of a phosphoric acid group, a sulfonic acid group, or a salt of a sulfonic acid group.