One of the hardest parts of design can be picking out a proper color scheme for the design. Some designers use photos, others use their understanding of color theory to pick out that perfect palette and then there are people like me that need others to help get the right colors to go together. Over on ColorSchemes.org there is a great list of links for those looking for help in their color quest.
It includes online tools, software you can download, websites that will help you pick out the right scheme, and information on techniques.
If you are constantly designing and redesigning, this resource might just help you figure out what shades of blue to use.