Because of corner fireplace with not a lot of space, I suggest a chair which is not too heavy but tall enough to hold its own. The chair is from Ballard Designs.

Kathi -- There are guidelines for table size related to room size, rug size, and number of guests. This is what I've learned from personal experience with banquet planning and dinners at home: Rug Size -- Allow a minimum of 24" from the edge of the table to the edge of the rug if you don't want guests moving chairs to damage the binding on your rug. Example: A table 4' x 8' should be anchored with a rug at least 8' x 12'. If you can manage a rug 30" out from your table edges, even better. Room Size -- Again, allowing space for guests to move chairs and leave the table is key. If guests need 24" minimum to exit, allow space for furniture you're placing around the walls near the table plus a minimum 12" walkway. If you prefer that guests not have to scrunch past others who are still seated, allow 24" for walking (width of a typical bathroom door). Number of Guests -- 20" x 12" of table space per guest works for family/friends dining. 30" x 14" of table space per guest is suitable for formal dining, assuming your dining chair dimensions aren't any wider. Consider how many chairs will fit between table legs as well. If your table has an overhang of 12" or more, table legs bumping knees shouldn't be an issue. Benches typically allow for more guest seating than chairs. A round table allows for extra elbow room between chairs because each guest has a pie-shaped area for dining vs. a rectangle. Hope this helps despite your post being months old.

I am so excited about the Jason Wu line for interior define and I want someone to buy something. This chair is Palomino, leather, and I think the color will be gorgeous with your sofa, the gray walls and fireplace. https://www.interiordefine.com/jason-wu-custom-leather-petite-accent-chair I have personal experience with interior define. I bought my beautiful white sofa from them.

Oh I LOVE that gray!! I’m not so confident in colors other than neutrals. Our bed frame is a dark gray as well.