A resin composition for giving molded articles that effectively block heat radiation from sunlight and are excellent in transparency, and molded articles thereof. The resin composition comprises an aromatic polycarbonate resin (Component A), hexaboride particles of at least one element selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sr and Ca (Component B-1) and other resin different from Component A (Component B-2), wherein the total content of Component B-1 and Component B-2 is 0.001 to 1 part by weight per 100 parts by weight of Component A, the resin composition contains particles (1) composed of Component B-1 and particles (2) composed of Component B-1 and Component B-2, both the particles (1) and (2) having a number average secondary particle diameter of 50 μm or less and a maximum secondary particle diameter of 300 μm or less.