Exodus 39:29-31

Complete Jewish Bible

²⁹ and the sash of finely woven linen and blue, purple and scarlet yarn, the work of a weaver in colors — as Adonai had ordered Moshe.

³⁰ They made the ornament for the holy turban of pure gold; wrote on it the words, “Set apart for Adonai,” like the engraving on a seal; ³¹ and tied a blue cord on it to fasten it to the front of the turban — as Adonai had ordered Moshe.