Yes, it's correct. We use such as an adverb intensifier. It gives emphasis to an adjective.
As an adverb, "such" can precede an adjective. It can also precede "a" or "an" - indefinite articles - and an adjective.
I think it would be good to take a look at such in some dictionaries to some examples, as well as other ways in which such can be used. As well, here's a tutorial for