Drupal theme edit

Hii, Check the attached photo.I have this [login to view URL] need to change its colours to a more professional look so that i can use it for my e-learning site. White and blue i think so would look good but am not so [login to view URL] apply ur creativity and work for the best combo of colours. You can download this photo and just work on it and show me some colour combo'[login to view URL] would be of great help before starting work :)