Mixtures of azo dyes for navy to black shades

Dye mixtures containing, in each case based on the total weight of the dyes,

• a) from 20 to 45% by weight of at least one azo dye of the formula I ##STR15## where Hal is chlorine or bromine, b) from 15 to 70% by weight of the azo dye of the formula IIa ##STR16## and optionally of the dye of the formula IIb ##STR17## the proportion of dye IIa being from 50 to 100% by weight and the proportion of dye IIb being from 0 to 50% by weight, each percentage being based on the weight of dye IIa or IIb, and
• c) from 1 to 55% by weight of at least one azo dye of the formula III or IV ##STR18## where R.sup.1 is nitro or C.sub.1 -C.sub.4 -alkylsulfonyl, which may be hydroxyl-substituted, R.sup.2 is bromine, chlorine or hydrogen R.sup.3 is hydrogen, chlorine or bromine, R.sup.4 is hydrogen, methyl or chlorine, R.sup.5 is hydrogen or chlorine, R.sup.6 and R.sup.7 are independently of one another hydrogen, phenyl or C.sub.1 -C.sub.4 -alkyl, which may be hydroxyl-, phenoxy-, 2-cyanoethoxy-, acetyloxy-, phenoxyacetyloxy-, benzoyloxy-, methoxycarbonyloxy- or phenylaminocarbonyloxy-substituted, X.sup.1 is hydrogen, hydroxyl, methoxy, acetylamino or nitro, X.sup.2, X.sup.3, X.sup.4 and X.sup.5 are independently of one another hydrogen, methyl or methoxy, and X.sup.6 is hydroxyl, 2-hydroxyethoxy, formyl or methoxy-carbonylamino, with the proviso that the sum of the dyes mentioned under a), b) and c) is 100% by weight.