Porphyrazine coloring matter, ink, ink set and colored article

A porphyrazine coloring matter represented by the following formula (1) in free acid form,

• wherein, A, B, C and D independently represent a 6-membered ring having aromaticity, at least one of them represents a benzene ring and at least one of the rest represents a nitrogen-containing heteroaromatic ring;
• E represents alkylene, X is a sulfo-substituted anilino group, a carboxy-substituted anilino group or a phosphono-substituted anilino group, said substituted anilino group may further have 0 to 4 substituents of one or more kinds selected from the group consisting of a sulfo group, a carboxy group, a phosphono group, a sulfamoyl group, a carbamoyl group, a hydroxy group, an alkoxy group, an amino group, an alkylamino group, a dialkylamino group, an arylamino group, a diarylamino group, an acetylamino group, a ureide group, an alkyl group, a nitro group, a cyano group, halogen, an alkylsulfonyl group and an alkylthio group, Y represents a hydroxy group or an amino group, b is 0 to 2.9, c is 0.1 to 3, and the sum of b and c is 1 to 3.