The Confederate warfare flag, normally regarded through its one-of-a-kind blue saltire against a purple box

https://stephenqsil969.sagecurrent.com/posts/a-closer-look-at-historic-civil-war-flags-what-they-represent

The Confederate combat flag, usally identified with the aid of its distinct blue saltire towards a crimson subject, became a long-lasting image of Southern pride and background, even with its controversial connotations.