Red carpet and drapes: Try a buttercream or darker paint. I have a red sofa and burgundy area rugs. Yellows and golden tans look great with red. The link below is a photo on hgtv’s site. Red walls with a buttercream colored fireplace so you can see the colors together.

Painting the walls and adding accessories is about all you can do. I would do a light coffee cream color and / or light taupe on the walls. Add pillows that include the red and wall colors.