Reactive dyes of formula ##STR1## wherein R.sub.1 is halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, .alpha.,.beta.-dihalopropionylamino or .alpha.-haloacryloylamino, X is halogen, n is the number 0, 1 or 2, and V is a radical of formula ##STR2## wherein (R.sub.2).sub.l denotes l identical or different substituents selected from the group halogen, hydroxy, nitro, sulfo, C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 alkoxy, Y is .alpha.,.beta.-dihalopropionylamino, .alpha.-haloacryloylamino or a radical --CONH--(CH.sub.2).sub.2-3 --SO.sub.2 --Z and Z is vinyl or a radical --CH.sub.2 CH.sub.2 --U and U is a group removable under alkaline conditions, m is the number 0 or 1, and l is the number 0, 1, 2 or 3, with the proviso that R.sub.1 is not .alpha.,.beta.-dihalopropionylamino or .alpha.-haloacryloylamino when V is a radical of formula (2) wherein Y is .alpha.,.beta.-dihalopropionylamino or .alpha.-haloacryloylamino, are suitable for the dyeing or printing of cellulosic fiber materials or natural or synthetic polyamide fiber materials, with a high colour yield, and give dyeings and prints having good fastness properties.