The present invention provides a compound, a photoelectric converter and a photoelectrochemical cell. The complex compound (I) is obtained by coordinating a ligand represented by the formula (II) and a ligand represented by the formula (III) to a metal atom, wherein Y1 and Y2 each independently represent a group including an unsaturated hydrocarbon group and an aromatic ring, R1 and R2 each independently represent a protogenic group or a salt thereof, at least one of R1 and R2 is a protogenic group, R3 and R4 each independently represent an aprotogenic group, R3 and R4 may be bound together, A and B each independently represent a group including an element of group 14, 15, or 16 of the Periodic Table, m and n each independently represent an integer of 0 to 2, a, b, c, and d each independently represent an integer of 0 to 2, and a+b≧1.