The present invention relates to new cationic dyes of general formula (I) and (II): The invention also relates to kits and compositions for dyeing keratin fibers, which contain at least one of these dyes as well as to a process for dyeing keratin fibers using at least one of these dyes.Cette invention concerne de nouveaux colorants cationiques de formule générale (I) et (II), ainsi que des kits et des compositions contenant au moins un desdits colorants pour teindre des fibres kératiniques, et un procédé de teinture de fibres kératiniques utilisant au moins un desdits colorants.