AT&T brand colors are at&t blue and at&t new orange.
Hex, RGB, CMYK and Pantone® (PMS) color codes and values are listed below. You can also download the color palette of the AT&T brand with their hexadecimal codes.
Unless stated, all the colors are from the official AT&T brand guidelines, a link to which is provided on this page along with a link to their web site.
Please note: Typically, hex and RGB color codes are for digital use and CMYK values are for standard color printers.