Well, as the name suggests, most of Jodhpur is covered in blue hues.
It is said that the blue color helps keep the interiors of the houses cool during the summer.
Back in the day, many houses in Jodhpur were ruined by termites. It is also believed that the houses are painted blue to keep them safe from the termites.
Blue is also believed to be the color of social status. Legend has it that the Brahmins painted their houses blue to differentiate them from the low-class communities.
There are various mysterious reasons and tales that you will come across while searching for the reason behind this blue city.