| abstract |
[PROBLEMS] To provide a black recorded image that is stable even when stored for a long time in a high concentration state, has a very excellent hue of a printed image, and has various fastnesses to the printed image, in particular, ozone gas resistance. An ink composition is provided. A water-based ink composition comprising (A) a tetraazo dye having a specific structure containing two naphthalene skeletons, and (B) a dye represented by the following formula (2). [Selection figure] None |