lazuline
/ˈlæzuːlaɪn/Definitions
1. noun
A bright blue pigment or dye obtained from the semi-precious stone lazurite, formerly used in painting and textiles.
“The artist used lazuline to create a beautiful blue hue in her artwork.”
2. adjective
Having or resembling the color of lazuline.
“The lazy afternoon sky had a lazuline hue.”