If you love your curtains, consider a wide stripe in leading edges that brings in colors of rug—-maybe a fun woven black brown grey color way? Also multiple art work. Nice room just needs more action.

Light fixture is formal and your furniture is casual. They are in a style clash. Change the light to something more casual.

I do like the fixture you have, but think it may be a bit more formal than the rest of the room. I would do a rectangular fixture in a darker color (black or oil rubbed bronze). Something that will stop the eye. Here are a couple of examples:

The room can totally pull of the Darlana look, which is not traditional, but transitional. You can get that look from a lot of vendors so do a little price shopping first.