Your quilt will be very pretty which ever way you sash it, but I prefer the blue and dark blue binding. I quilt with a group at our community center and we quilt for other people, the money we make helps pay our bills for our center. We get a lot of old quilt tops that someones mother or grandmother or aunt made (you know what I am talking about) or maybe they bought it at a garage sale. Well some of them do look rather "ugly" and most of them have points that do not match and sashing squares that are not in line. When we get them quilted they really seem like different quilts. We have a saying about these kinds----quilting covers a multitude of piecing mistakes.