'Blue' in the Bible

There were curtains of white and blue linen tied with cords of fine linen and purple material to silver rings on marble columns. There were couches of gold and silver on a mosaic pavement of porphyry, marble, mother-of-pearl and other precious stones.

Mordecai left the king's presence in royal robes of blue and white, wearing a large golden crown and a purple robe made of fine linen; and the city of Susa shouted with joy.