Chi Psi (ΧΨ) is a fraternity consisting of active chapters (known as "Alphas") at 33 American colleges and universities. The mission of the Chi Psi Fraternity is to create and maintain an enduring society which encourages the sharing of traditions and values, respect for oneself and others, and responsibility to the university and community. Chi Psi's official colors are Royal Purple and Gold. Chi Psi's national headquarters, the Central Office, is in Nashville, Tennessee.