A REACTIVE NAVY TO BLACK DYE COMPOSITION AND DYE PRODUCT THEREOF

Disclosed is an active dark blue to black dye composition, comprising a component A and a component B, wherein the component A is selected from one or more of compound (I), and the component B is selected from one or more of compound (II); wherein D1 and D2 are each independently a group represented by formula (a) or (b) or (c); R1-R12 are each independently H, a C1-C4 alkyl, a C1-C4 alkoxy or a sulfonic acid group; m, n=0-3, each R3 is independently respectively selected from an amino, a sulfonic acid group, a ureido, a C1-C4 an alkylamido, a C1-C4 alkyl or a C1-C4 alkoxy, each R6 is independently respectively selected from a hydroxy, an amino or a sulfonic acid group; X1-X3 are each independently H, a C1-C4 alkyl, a C1-C4 alkoxy, -SO2Y1、a -NHCO(CH2)pSO2Y2 or a -CONH(CH2)qSO2Y3, and at least one of D1 and D2 contains a fiber active group, p, q＝1-3, Y1-Y5 are each independently a -CH＝CH2, a -C2H4OSO3H or a -CH2CH2Cl. An active dark blue to black dye product containing the dye composition has the characteristics of good washing fastness, a high fixation rate and exhaustion rate, good build-up, and a clear dyeing residual solution, etc. (I), (II), (a), (b), (c)