To provide an ink set having a wide color regeneration range and high saturation, preventing graininess from getting conspicuous in dot expression, obtaining a recorded image with glossy feeling, in particular, restraining extremely the graininess by the dot expression, when applied to a medium having a coated layer, and obtaining a recorded image with very excellent color-developing performance when applied to a regular paper sheet.

This ink set is provided with at least yellow ink Y, magenta ink M, cyan ink C and red ink R, and an L* value in a defined Lab display system in a CIE of an aqueous solution of each ink diluted 1,000 times is within a range as follows: 89 or more to 94 or less in the yellow ink Y, 83 or more to less than 87 in the magenta ink M, 74 or more to 87 or less in the cyan ink C, and 55 or more to less than 62 in the red ink R.