River Plate plays in a white jersey with a diagonal red sash, its most recognizable trademark. The sash gives it the nickname “La Banda,” and it is also called “El Millonario,” a name tied to expensive signings in the 1930s. Red and white have been the club's colors since its early years. The HEX codes are common approximations, not official club values.
These are commonly used reference values; they can vary by source, material or screen.