i would use a white w/ a few specks of blue in it instead of a solid white a blue w/ a lighter blue would make a stunning quilt
white is a bit stark and not easy to keep clean
as mentioned and off white would also be okay
just my opinion :-D
check out these quilts other members have made for more ideas
http://www.quiltingboard.com/search....+quilts&u=&s=0