ultramarine
1. [ noun ] (color) blue pigment made of powdered lapis lazuli
Synonyms: ultramarine_blue
Related terms: pigment French_blue
2. [ adjective ] (color) of a brilliant pure blue to purplish blue color
Related terms: chromatic
3. [ noun ] (color) vivid blue to purple-blue
Related terms: blue
Similar spelling:   ultramodern
  ultramontane