Darkness
The Dark
noun, の adjective
The kanji and the word are exactly the same. That means they share meanings as well.
The reading is the same as the one you learned with the kanji.
僕はある梟と目を交換したから、暗闇でも目が見えるんだよ。
I switched eyes with an owl so now I can see in the dark.
彼は静かに顔を近づけ、闇の奥を覗き込んだ。だが、覗き込んだ先に、見てはいけないものがあった。
He quietly leaned closer and peered into the depths of the darkness. But within that darkness there was something that never should have been seen.