The present invention relates to an aqueous oxidative coloring composition for keratin fibers especially human hair with improved conditioning effect, improved color fastness against washing and for achieving homogeneous even coloration. The object of the present invention is an aqueous composition for coloring keratin fibers especially human hair, based on at least one oxidative dye precursor, optionally at least one coupling agent and/at least one direct dye and furthermore comprising in a cosmetically acceptable medium at least one anionic surfactant, at least one branched fatty acid and at least one quaternary ammonium surfactant.