Colorant, master batch containing same, colored resin composition, and molded article

A colorant comprising:

• at least one compound represented by the following chemical formula (1a):
• wherein, in the chemical formula (1a), R1 and R2 are each independently a hydrogen atom, an optionally substituted amino group or nitrogen-containing heterocyclic group, and both are not simultaneously hydrogen atoms, or are combined together to form a fused ring, R3 is at least one selected from a straight or branched alkoxy group having 1 to 4 carbon atoms, a carboxy group, a hydroxy group, a sulfo group and a sulfonamide group, and p is a number of 0 to 2,
• at least one compound represented by the following chemical formula (1b):
• wherein, in the chemical formula (1b), R4 and R5 are each independently a hydrogen atom or an optionally substituted amino group or nitrogen-containing heterocyclic group, and both are not simultaneously hydrogen atoms, R6 is at least one selected from a straight or branched alkoxy group having 1 to 4 carbon atoms, a carboxy group, a hydroxy group, a sulfo group and a sulfonamide group, q is a number of 0 to 4, and/or
• at least one compound represented by the following chemical formula (1c):
• wherein, in the chemical formula (1c), R7 and R8 are each independently a hydrogen atom or an optionally substituted amino group or nitrogen-containing heterocyclic group, R9 is at least one selected from a straight or branched alkoxy group having 1 to 4 carbon atoms, a carboxy group, a hydroxy group, a sulfo group and a sulfonamide group, and r is a number of 0 to 2.