The present invention relates to a composition for dyeing keratin fibres, in particular keratin fibres such as the hair, comprising: at least one oxidation base 3-(2,5-diaminophenyl)-1-propanol and/or acid salts thereof or solvates thereof； at least one oxidation base chosen from para-aminophenol, 3-methyl-4-aminophenol and N,N-bis(3-hydroxyethyl)-para-phenylenediamine, addition salts thereof, solvates thereof, and mixtures thereof； at least one coupler； optionally at least one fatty substance； optionally at least one basifying agent； and optionally at least one chemical oxidizing agent. The invention also relates to a process for dyeing keratin fibres such as the hair using the composition of the invention, and to a multi-compartment device for using the composition of the invention.
