The Buffalo Bills colors are royal blue, red and white. The charging buffalo logo is blue with a red streak trailing behind it. Royal blue is the home jersey color, and red is used on stripes and accents. The Bills returned to a brighter royal blue in their 2011 uniform update.
These are commonly used reference values; they can vary by source, material or screen. Brand names and colors belong to their owners; this page only lists color codes for information.