how to set color hexa in flutter code example

Example 1: color from hex code flutter

Color c = const Color(0xFF42A5F5);
Color c = const Color.fromARGB(0xFF, 0x42, 0xA5, 0xF5);
Color c = const Color.fromARGB(255, 66, 165, 245);
Color c = const Color.fromRGBO(66, 165, 245, 1.0);

Example 2: flutter color hex

const color = const Color(0xffb74093); // Second `const` is optional in assignments.