Absorbent article

An absorbent article comprising an absorbent core and a liquid-permeable base sheet on the skin side of the absorbent core, and having a thickness direction, wherein

• the base sheet and the absorbent core have recesses extending in the thickness direction from the surface of the skin side of the base sheet up to the absorbent core,
• the recesses each have a bottom part and wall sections that rise from the bottom part in a direction toward the surface side of the skin side,
• the base sheet has, in the recesses, colored regions that are visible from the skin side, and
• the grayscale value (where black is represented by 0 and white is represented by any positive value, same hereunder) of the coloration of each linear region that includes the border line between the bottom part and the wall section and is delineated by a prescribed width is lower than the grayscale value of the coloration in each of the regions delineated by the same width as the prescribed width of the linear region, on both sides adjacent to the linear region.