Some 'dark ya novels' include 'Throne of Glass' series. It has elements of dark magic, political intrigue, and a fair amount of violence. 'The Raven Boys' by Maggie Stiefvater also has a touch of the dark with its mystery and supernatural elements set against a backdrop of a small town with its own secrets. And then there's 'Shadow and Bone' which has a dark world filled with the power - hungry and the Grisha, who have special powers and face many dangerous and dark situations.
One popular 'dark ya novel' is 'The Hunger Games'. It has a dark premise of a dystopian society where children are forced to fight to the death. Another is 'Miss Peregrine's Home for Peculiar Children' which involves strange and often dark secrets within a home for special children. 'A Monster Calls' is also a great example. It deals with heavy themes like a boy coping with his mother's illness in a very dark and poignant way.
Well, 'The Knife of Never Letting Go' is a 'dark ya novel'. The story is set in a world where everyone can hear each other's thoughts, and it's full of danger and a sense of impending doom. 'Six of Crows' is another one. It follows a group of criminals in a dark and gritty world filled with heists, betrayal, and a lot of moral ambiguity. Also, 'Daughter of Smoke and Bone' has a dark undertone as it deals with the relationship between angels and chimaera in a war - torn world, and the main character has a complex and often dark journey.