It is narrated from Sayyiduna Imran bin Husayn (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "I do not ride on a crimson (saddle cloth), nor do I wear garments dyed with safflower or coloured garments trimmed with silk."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 15403