About This Space

I know that many do and many do not like accent walls, but I live in a townhouse that whenever I move out, I must return to original condition, so the accent wall is the best way for me to get some color on the walls but have less work to do later. This is the living room I will be moving into. Please excuse all the mess and furniture, it belongs to the current tenants who are friends of mine and will all be replaced. The Living room is a nice size, and I love the crown molding on most of the walls, but I am a little torn as to which wall to paint a nice dark blue accent color. Being a dark color I don't think I want to paint the wall on the left because it is the longest wall in the room and I feel the dark color would make the room seem narrow. The wall on the right is an interesting shape because of the dual stairs, but there is no crown molding for the dark blue to contrast off of due to the shape and it is pretty small. The only wall left is the back wall, which the only architectural feature is the sliding glass door, but there is crown molding to contrast off of and because it is the first wall you see when you walk in since the pictures are taken from where you enter the space, it might help draw people through the room. At the same time if I get a window covering for the sliding glass door then there will not be a whole lot of the accent color showing, since from the entry way, a small part of the wall is blocked from view by the staircase as well. I am a little torn and would appreciate any help. Like I said, ignore current furniture, picture blank canvas because I am willing to place furniture based on the accent wall decision. Thanks for any help and listening to my long winded conversation!