Purple blue UI

Quick answer：

Purple blue UI refers to the use of a color scheme that combines shades of purple and blue in user interface design. This color combination can evoke a sense of sophistication and calmness. In design, purple is often associated with creativity and luxury, while blue is known for its calming and trustworthy qualities. A purple blue UI can be used in various applications, including websites, software, and mobile apps, to create an aesthetically pleasing and functional interface.