| Rating | Solver | Clue |
|---|---|---|
| INDIGO | Violet-blue | |
| PLUMBAGO | A genus of herbaceous plants with pretty salver-shaped corollas, usually blue or violet; leadwort. | |
| CUCULLATED | Having the edges toward the base rolled inward, as the leaf of the commonest American blue violet. | |
| INDULINE | Any one of a large series of aniline dyes, colored blue or violet, and represented by aniline violet. | |
| YTTRO-CERITE | A mineral of a violet-blue color, inclining to gray and white. It is a hydrous fluoride of cerium, yttrium, and calcium. | |
| VIOLANILINE | A dyestuff of the induline group, made from aniline, and used as a substitute for indigo in dyeing wool and silk a violet-blue or a gray-blue color. | |
| VIOLURIC | ...oso derivative of barbituric acid. It is obtained as a white or yellow crystalline substance, and forms characteristic yellow, blue, and viol... | |
| ACID | ...ways distinguished by their sour taste, solubility in water, and reddening of vegetable blue or violet colors. They are also characterized by th... | |