Source : Webster's Revised Unabridged Dictionary (1913)

Inky \Ink"y\, a.
   Consisting of, or resembling, ink; soiled with ink; black.
   ``Inky blots.'' --Shak. ``Its inky blackness.'' --Boyle.

Source : WordNet®

inky
     adj : of the color of black ink [syn: {ink-black}, {inky-black}]
     [also: {inkiest}, {inkier}]