Numbers 4:7-8, 11-13

Over the table of the bread of the Presence they shall also spread a cloth of blue and put on it the dishes and the pans and the sacrificial bowls and the jars for the drink offering, and the continual bread shall be on it. They shall spread over them a cloth of scarlet material, and cover the same with a covering of porpoise skin, and they shall insert its poles.

Over the golden altar they shall spread a blue cloth and cover it with a covering of porpoise skin, and shall insert its poles; and they shall take all the utensils of service, with which they serve in the sanctuary, and put them in a blue cloth and cover them with a covering of porpoise skin, and put them on the carrying bars. Then they shall take away the ashes from the altar, and spread a purple cloth over it.