Android
<!-- Chrome, Firefox OS and Opera --> <meta name="theme-color" content="#014473">
iOS
<meta name="apple-mobile-web-app-capable" content="yes">
Default
<meta name="apple-mobile-web-app-status-bar-style" content="default">
Black
<meta name="apple-mobile-web-app-status-bar-style" content="black">
Black-translucent
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
body { background-color: #014473; }
References
https://dev.to/akshaykumar6/progressive-web-apps-configure-status-bar-16fa