Sasuke Uchiha's sword, specifically his primary weapon during the later part of the Naruto series, is commonly referred to as the "Kusanagi Sword." The color of Sasuke's Kusanagi sword is typically depicted as black. The blade has a dark, metallic appearance, while the hilt and handle are usually portrayed in a contrasting white color. This combination of black blade and white hilt is a distinct characteristic of Sasuke's Kusanagi sword.