Yes, SOLFERINOS is a Scrabble word!

Letter values in Scrabble US: S 1, O 1, L 1, F 4, E 1, R 1, I 1, N 1, O 1, S 1.

Is it a valid word?

SOLFERINOS is a valid word in the official Scrabble dictionary (US) and the UK Scrabble Dictionary, but not in Words with Friends (ENABLE).

a pink dye that was discovered in 1859, the year a battle was fought at Solferino
an indecisive battle in 1859 between the French and Sardinians under Napoleon III and the Austrians under Francis Joseph I

Also: purplish pink, battle of solferino.