Definition of "inky-black" [inky-black]

• Of the color of black ink (adjective)

WordNet. Princeton University. 2010.

• "Christie's, meanwhile, will illustrate Fontana's contrasting moods in two examples of his famous "Concetto spaziale" series in which the artist slashes and digs into canvases: an ominous inky-black painting from 1962 has a dark and mysterious presence (estimate: £1.6 million-£2 million), and a luminous blue, slashed painting from 1964 has an almost lyrical effect (estimate: £350,000-£450,000)."
• "“Sometimes they are,” added an inky-black lady with an ugly scar on the left side of her mug."
• "But it's his hair: it's not inky-black any more, or cobalt-blue."