Generations of efficient blue light at 447 nm and red light at 671 nm were achieved by frequency doubling and tripling of a diode-pumped, Q-switched 1342 nm Nd:YVO4 laser with a periodically-poled LiTaO3 (PPLT). The first-order and third-order vector reciprocals of the PPLT compensated the phase mismatches of second-harmonic and sum-frequency processes, respectively. The resulting averaged blue light power of 51 mW and red light power of 207 mW under the averaged fundamental power of 500 mW indicate that the PPLT may be used to construct an all-solid-state blue and red dual wavelength laser.