Patent ID: 7281788

Claim:
An ink set for inkjet recording, comprising: a yellow ink containing at least one yellow dye; a magenta ink containing at least one magenta dye; and a cyan ink containing at least one cyan dye, wherein at least one dye of the yellow, magenta and cyan dyes contains an azo dye represented by the following formula (1): A-N═N-B wherein A and B each independently represents an aromatic group, or a 5- or 6-membered unsaturated heterocyclic group, provided that a substituent on each ring of A and B, which is located at a conjugated position with respect to the azo group satisfies the following conditions (a) to (c): (a) the substituent is not a hydroxyl group, (b) when the substituent is an amino group, the amino group does not have a hydrogen atom at the α-position, and (c) when the substituent is an ether group, the ether group does not have a hydrogen atom at the α-position; and wherein the cyan dye comprises a cyan dye represented by the following formula (3): wherein X 11 to X 14 each independently represents an electron-withdrawing group having a σp value of 0.40 or more; Y 11 to Y 18 each independently represents a monovalent substituent; M represents a hydrogen atom, a metal element or its oxide, hydroxide or halide; and a 11 to a 14 each independently represents an integer of 1 or 2.