A dark blue-gray colour.
Dark greyish blue or purple.
An Oceanid, (one of the three thousand daughters of the Titans' Oceanus and Tethys), and the wife of the sun god, Helios, with who she is the mother of Aeetes, Perses, Pasiphae and Circe. One of her many sisters is Amphitrite, (the wife of Poseidon). Perse is also closely identified with Hecate.
A rare surname, from given names.