An inkjet ink set comprising at least a cyan ink, a yellow ink and a magenta ink, wherein the cyan ink and the yellow ink comprise a diol-based solvent (A-1), and the magenta ink comprises: two or more pigments, a water-soluble organic solvent, a surfactant and water, wherein the two or more pigments comprise an azo pigment, wherein the azo pigment comprises a naphthol AS pigment and/or a β-oxynaphthoic acid-based lake pigment, an amount of the azo pigment is from 0.5 to 8% by mass of a total mass of the magenta ink for an inkjet, and from 35 to 100% by mass of a total mass of the pigments, the water-soluble organic solvent comprises a diol-based solvent (A-1) that is a diol-based solvent represented by formula shown below and has n of 1 and/or 2, in a molar amount of from 5 to 250 times a molar amount of the azo pigment, a molar amount of a diol-based solvent (A-2) that is a diol-based solvent represented by formula shown below and has n of 3 and/or 4 is 0.1 times or less the molar amount of the diol-based solvent (A-1), and an amount of a cyclic amide-based solvent in the water-soluble organic solvent is not more than 4.5% by mass of the total mass of the magenta ink for an inkjet: HO- n-H wherein, in formula, AO represents an ethylene oxide group or a propylene oxide group, and n represents an integer of from 1 to 4, and wherein the molar amount of the diol-based solvent (A-1) is 5 to 250 times the molar amount of the azo pigment contained, calculated using an ink obtained by mixing all the inks included in the ink set except for black ink in equal amounts. the cyan ink and the yellow ink comprise a diol-based solvent (A-1), and the magenta ink comprises: two or more pigments, a water-soluble organic solvent, a surfactant and water, wherein the two or more pigments comprise an azo pigment, wherein the azo pigment comprises a naphthol AS pigment and/or a β-oxynaphthoic acid-based lake pigment, an amount of the azo pigment is from 0.5 to 8% by mass of a total mass of the magenta ink for an inkjet, and from 35 to 100% by mass of a total mass of the pigments, the water-soluble organic solvent comprises a diol-based solvent (A-1) that is a diol-based solvent represented by formula shown below and has n of 1 and/or 2, in a molar amount of from 5 to 250 times a molar amount of the azo pigment, a molar amount of a diol-based solvent (A-2) that is a diol-based solvent represented by formula shown below and has n of 3 and/or 4 is 0.1 times or less the molar amount of the diol-based solvent (A-1), and an amount of a cyclic amide-based solvent in the water-soluble organic solvent is not more than 4.5% by mass of the total mass of the magenta ink for an inkjet: HO- n-H wherein, in formula, AO represents an ethylene oxide group or a propylene oxide group, and n represents an integer of from 1 to 4, and wherein the molar amount of the diol-based solvent (A-1) is 5 to 250 times the molar amount of the azo pigment contained, calculated using an ink obtained by mixing all the inks included in the ink set except for black ink in equal amounts. two or more pigments, a water-soluble organic solvent, a surfactant and water, wherein the two or more pigments comprise an azo pigment, wherein the azo pigment comprises a naphthol AS pigment and/or a β-oxynaphthoic acid-based lake pigment, an amount of the azo pigment is from 0.5 to 8% by mass of a total mass of the magenta ink for an inkjet, and from 35 to 100% by mass of a total mass of the pigments, the water-soluble organic solvent comprises a diol-based solvent (A-1) that is a diol-based solvent represented by formula shown below and has n of 1 and/or 2, in a molar amount of from 5 to 250 times a molar amount of the azo pigment, a molar amount of a diol-based solvent (A-2) that is a diol-based solvent represented by formula shown below and has n of 3 and/or 4 is 0.1 times or less the molar amount of the diol-based solvent (A-1), and an amount of a cyclic amide-based solvent in the water-soluble organic solvent is not more than 4.5% by mass of the total mass of the magenta ink for an inkjet: HO- n-H wherein, in formula, AO represents an ethylene oxide group or a propylene oxide group, and n represents an integer of from 1 to 4, and wherein the molar amount of the diol-based solvent (A-1) is 5 to 250 times the molar amount of the azo pigment contained, calculated using an ink obtained by mixing all the inks included in the ink set except for black ink in equal amounts.