A combination of Offwhite, Beige Upholstery and dark shades of wood would look good. Provided you keep the wood minimal . The floor can also be a similar shade of wood . Remember whatever you do, make it look rich and elegant, only then will you be able to pull this look off. I am assuming the your ceiling is considerably high as well. Paint the walls and ceiling in offwhite shades with only the feature wall grey

Hello Aishwarya, The curtains need not match your sofa fabric. It will be an overkill. Please go with light colored curtains with hints/patterns of blue. Instead of two transparent curtains have two layered curtains the inner one (sheer) allows day light inside and the second layer cuts down all the light. You may go with full height curtains rather than window height ones. Thanks, Amit Cornerstone Designs Bangalore

Curtain looking?

you can go with brown, light grey, black with curtain I think so it is good and create a natural colour palate