Since your room is large your color options with this room are quite broad

For your main color, we chose to use Burgundy. It has a luxurious and creative aura. In its darkest hues, Burgundy is rich and sophisticated and gives a color scheme more depth.

Use an eggshell finish paint which has a very light touch of shine (similar texture to an eggshell as implied by its name). This finish is very often used for walls and is more durable and easier to clean than matte finish