Boca Juniors plays in a blue jersey with a horizontal yellow band, colors tied to the nickname “Xeneize” and the phrase “azul y oro” (blue and gold). According to the club's best-known story, the colors were taken from the flag of a Swedish ship that docked at the port of La Boca. The HEX codes are common approximations, not official club values.
These are commonly used reference values; they can vary by source, material or screen.