What colors go best with this kind of blue?

Like the blue shown here:a href="http://www.google.com/imgres?imgurl=http://www.piggybedspreads.com/ebay/images/RoyalBlue1.jpg&imgrefurl=http://www.piggybedspreads.com/fabrics.htm&h=476&w=500&sz=26&tbnid=SS1bIsViCM7eoM:&tbnh=102&tbnw=107&prev=/search%3Fq%3Droyal%2Bblue%26tbm%3Disch%26tbo%3Du&zoom=1&q=royal+blue&hl=en&usg=___h4x62nHdTzszo3YOr96pKKwOzM=&sa=X&ei=KE8FTr_dJIe2tweYoJDcDQ&sqi=2&ved=0CDwQ9QEwBQ&dur=1945" rel="nofollow"http://www.google.com/imgres?imgurl=http…/a