Must Needed dark mode feature

Hi I’m using brave browser as a default browser nd love all the features but I want pure pitch… black dark mode because it’s visually appealing than the default greayscle dark mode. I want to customize the greayscle contrasts according to my need in accessibility settings of dark mode, I’m giving a Idea of how i want it’s to look in a screenshot… below So I hope u guys hopefully understand my request and give a feedback if possible.

Thanks & keep up the good work