If you have ever come across a situation where you need to colorize Crystal reports controls using Hex color values, there are few options you can choose between.
1) Convert the color code to Hex in the sql using a funtion
2) Convert the color code to Hex using a Crystal Reports custom function
Following post provided step-by-step instructions on colorizing crystal report controls using a Crystal Reports custom function.
http://www.paulspatterson.com/crystal-report-functions-to-colorize-background-using-html-hex-color-value/
Cheers
Samitha