Water-soluble blue dye mixture and dyeing method: anthraquinone reactive dye and formazan reactive dye

摘要

A water-soluble dye mixture comprising a blue anthraquinone reactive dye represented in its free acid form by the formula: ##STR1## wherein X is --CHCH.sub.2 or --C.sub.2 H.sub.4 W wherein W is a group removable by action of alkali and from 0.2 to 5 times by weight to said anthraquinone reactive dye of a blue formazan reactive dye represented in its free acid form by the formula: ##STR2## wherein R is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, Y is a halogen atom, -- NHC.sub.2 H.sub. 4 SO.sub.3 H or ##STR3## and X is --CHCH.sub.2 or - -C.sub.2 H.sub.4 W wherein W is a group removable by action of alkali.