I would wear them with a pair of loafers or driving mocs
http://shop.nordstrom.com/s/cole-haan-sloane-eva-loafer/3421190?origin=keywordsearch&contextualcategoryid=0&fashionColor=Ultraviolet%2F+Blazer+Blue&resultback=4238
and maybe a top with some texture like a sweater in a chunky knit or a cotton velvet blazer (J Crew sells them). I would definitely pair them with a strong color or a bold graphic print.