High Quality Content by WIKIPEDIA articles! The University of Colorado Boulder (unofficially University of Colorado at Boulder, although also commonly referred to as CU-Boulder, CU, Boulder, or Colorado) is a public research university located in Boulder, Colorado. It is the flagship university of the University of Colorado system and was founded five months before Colorado was admitted to the union in 1876. According to The Public Ivies: America`s Flagship Public Universities (2001), it is considered one of the prestigious "Public Ivy League" schools. The university`s colors are officially silver and gold; however, traditional CU items utilize the black-and-gold color scheme.