A cemented carbide consisting of a first hard phase, a binder phase and optionally a second hard phase, the first hard phase consisting of WC, the binder phase being composed of either three elements which are Co, Ni and Cr or four elements which are Co, Ni, Cr and Mo, the second hard phase consisting of a carbide wherein the carbide is at least one selected from TiC, NbC, TaC, TaNbC, and TiNbC, when a Co content of the cemented carbide is represented as M1, a total content of Cr and Mo in the cemented carbide is represented as M2, a total content of Ni, Cr, and Mo in the cemented carbide is represented as M3, and a total content of Co, Ni, Cr, and Mo in the cemented carbide is represented as M4, a ratio of M1 to M4 being not less than 15% and not more than 50%, a ratio of Ni content to M4 being 30 to 70%, a ratio of M2 to M3 being not less than 15% and not more than 40%, a ratio of M2 to M4 being 7.5 to 20%, a ratio of an area of Cr/Mo-rich particles in an entire area of the cemented carbide being lower than 1%, wherein the Cr/Mo-rich particles are particles constituting a region where a concentration of at least one of Cr and Mo is higher than the ratio of M2 to M4 in cross sectional elemental mapping of the cemented carbide, the ratio of the area of Cr/Mo-rich particles is measured by the measuring method described in the description, a formulation ratio of WC is 30 to 95 mass%, the average particle size of WC ranges from 1.1 to 1.5 μm, and the average particle size is D50 measured by the Fisher method, a formulation ratio of the binder phase is 1 to 15 mass%, and a formulation ratio of the second hard phase is 0 to 65 mass%. the first hard phase consisting of WC, the binder phase being composed of either three elements which are Co, Ni and Cr or four elements which are Co, Ni, Cr and Mo, the second hard phase consisting of a carbide wherein the carbide is at least one selected from TiC, NbC, TaC, TaNbC, and TiNbC, when a Co content of the cemented carbide is represented as M1, a total content of Cr and Mo in the cemented carbide is represented as M2, a total content of Ni, Cr, and Mo in the cemented carbide is represented as M3, and a total content of Co, Ni, Cr, and Mo in the cemented carbide is represented as M4, a ratio of M1 to M4 being not less than 15% and not more than 50%, a ratio of Ni content to M4 being 30 to 70%, a ratio of M2 to M3 being not less than 15% and not more than 40%, a ratio of M2 to M4 being 7.5 to 20%, a ratio of an area of Cr/Mo-rich particles in an entire area of the cemented carbide being lower than 1%, wherein the Cr/Mo-rich particles are particles constituting a region where a concentration of at least one of Cr and Mo is higher than the ratio of M2 to M4 in cross sectional elemental mapping of the cemented carbide, the ratio of the area of Cr/Mo-rich particles is measured by the measuring method described in the description, a formulation ratio of WC is 30 to 95 mass%, the average particle size of WC ranges from 1.1 to 1.5 μm, and the average particle size is D50 measured by the Fisher method, a formulation ratio of the binder phase is 1 to 15 mass%, and a formulation ratio of the second hard phase is 0 to 65 mass%.