How do you dye purple to navy?

To dye purple to navy, you'll need to use a darker blue dye, such as navy blue or black, depending on the desired shade. Begin by mixing the navy dye according to the package instructions and preparing the fabric for dyeing. Soak the purple fabric in the navy dye solution, checking frequently until the desired navy shade is achieved. Rinse the fabric thoroughly and wash it separately to set the color.