A powder hair dye composition, containing the following components (A) to (C): (A) one or more azo dyes selected from the group consisting of the following (A-1), (A-2) and (A-3), (B) an alkaline agent other than alkanolamines, and (C) 1.5 mass% or more and 40 mass% or less of solvent.本發明係一種粉末狀染毛劑組合物,其含有成分(A)~(C)。 (A)選自由下述(Α-1)、(Α-2)及(Α-3)所組成之群中之1種或2種以上之偶氮染料 (B)烷醇胺以外之鹼劑 (C)溶劑 1.5質量%以上且40質量%以下