Blue pigment is a type of colorant used in a variety of applications, such as painting, printing, and dyeing. The term 'blue pigment' can refer to a range of different hues, from light blues to dark blues. Some of the most common blue pigments include smalt (5 letters), ultramarine (11 letters), COBALT (6 letters), BICE (4 letters), INDIGO (6 letters), CERULEAN (8 letters), and enin (4 letters). Smalt is a deep blue pigment made from glass, while ultramarine is a bright blue pigment made from lapis lazuli. COBALT is a deep blue pigment made from COBALT oxide, while BICE is a light blue pigment made from copper sulfate. INDIGO is a deep blue-violet pigment made from the INDIGO plant, while CERULEAN is a bright blue-green pigment made from COBALT stannate. Enin is a bright blue pigment made from copper phthalocyanine.