classic blue library den with formal living room big window natural light. concept library decor,

library den formal living room big window natural light classic blue elegant cozy sophisticated traditional bookshelves reading nook comfortable stylish vintage antique hardwood floors area rug armchairs coffee table fireplace wall sconces ceiling curtains drapes throw pillows decorative accents framed art lamps floor lamp blanket design refined luxurious aigenerated concept decor layout lighting style