Provided is a liquid hair dye composition containing components (A) and (B), wherein the content (X) of component (A) is 1.5-6.5 mass%, the content (Y) of component (B) is 9-98.5 mass%, and equation (1) below is satisfied (liquid hair dye compositions having a diol content of at least 50 mass% and a water content of at most 2 mass% excluded). (1) Y ≥ (91/6)X-(91/3), (A) an azo dye represented by formula (A-3), and (B) a monoalcohol and/or diol other than alkanolamine.一種液狀染毛劑組合物，其係含有成分(A)及(B)者， 該組合物中之成分(A)之含量(X)為1.5質量%以上且6.5質量%以下， 該組合物中之成分(B)之含量(Y)為9質量%以上且98.5質量%以下， 且滿足下述式(1)(其中，液狀染毛劑組合物中之二醇含量為50質量%以上且水分量為2質量%以下者除外)。 Y≧(91/6)X－(91/3) (1) (A)式(A-3)所表示之偶氮染料 (B)除烷醇胺以外之單醇及/或二醇
