Carolina blue (occasionally referred to as Tar Heel blue) is the shade of blue used as one of the official school colors of the University of North Carolina. The name is derived from the popular usage of "Carolina" to refer to the university. For clarity in branding and marketing, UNC Creative has defined the color as Pantone 542 and declared that the CMYK representation is Cyan 60%, Magenta 19%, Yellow 1%, and Black 4%.