Blue is the new black movie
You're referring to the 2004 film "Blue Crush"!
"Blue Crush" is a surfer-themed romantic drama film directed by John Stockwell. The movie follows the story of Anne Marie Chadwick (played by Kate Bosworth), a young woman who dreams of becoming a professional surfer. Anne Marie is determined to compete in the prestigious Pipe Masters surf competition, but her plans are put to the test when she's forced to confront her fears and insecurities.
The film also stars Michelle Rodriguez, Matthew Davis, and Kaori Shimizu. "Blue Crush" received mixed reviews from critics, but it was a moderate box office success and helped to establish Kate Bosworth as a rising star in Hollywood.
The phrase "blue is the new black" is a play on the phrase "black is the new black," which was a popular fashion trend in the 1990s. In the context of the movie, "blue is the new black" refers to the idea that Anne Marie's blue ocean and the thrill of surfing are more important to her than the glamour and excitement of the city.