PROBLEM TO BE SOLVED: To provide brilliant dyes that are characterized by deep dyeing having good fastness properties with respect to washing, light, shampooing and rubbing, and that preferably exhibit satisfactory stability under reducing or oxidizing dyeing conditions, for the dyeing of organic material.SOLUTION: A hair dyeing composition comprises dyes represented by formulas (7) and (10), a specific quaternary ammonium salt, and the like.SELECTED DRAWING: None【課題】洗浄、光、シャンプー及び擦りに関して良好な堅牢特性を有している濃染によって特徴付けられ、また好ましくは還元性又は酸化性染色条件下で十分な安定性を呈する、有機材料を染色するための鮮やかな染料の提供。【解決手段】式(7)と式(10)とで代表される染料及び特定四級アンモニウム塩等を含む毛髪染色用組成物。【選択図】なし