Juventus plays in black and white vertical stripes, which is why it is called “Bianconeri” (the white-blacks). It is also known as “La Vecchia Signora” (the Old Lady). The colors were adopted in 1903, based on jerseys brought over from England. The HEX codes are common approximations, not official club values.
These are commonly used reference values; they can vary by source, material or screen.