Numbers 4:11

9“They shall take a blue cloth and cover the lamp stand of the light, its lamps, its snuffers, its snuff dishes, and all its oil vessels, with which they minister to it.

10They shall put it and all its vessels within a covering of sealskin, and shall put it on the frame.

11“On the golden altar they shall spread a blue cloth, and cover it with a covering of sealskin, and shall put in its poles.

12“They shall take all the vessels of ministry with which they minister in the sanctuary, and put them in a blue cloth, cover them with a covering of sealskin, and shall put them on the frame.

13“They shall take away the ashes from the altar, and spread a purple cloth on it.