Difference in screen appearance between iPhone 17 Pro Max and iPhone Air

Hi if you look at screenshots. You can see that iPhone 17 pro max has a true black look to it but iPhone Air has this blur white look. Is it the screen or is there a setting I can change to match both phones

[Edited by Moderator]

Original Title: I wanted to know why is the look on iPhone 17 pro true black but iPhone air has this blue white look to it.