function hexToRgb(hex){
var result = /^#?([a-f\d]{2}])([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result ? {
r: parseInt(result[1], 16);
g: parseInt(result[2], 16);
b: parseInt(result[3], 16);
} : null;
}
var hex = "#0a3678";
console.log(hexToRgb(hex).r+","+hexToRgb(hex).g+","+hexToRgb(hex).b);//10,54,120
function hexToRgb(hex) {
// Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
hex = hex.replace(shorthandRegex, function(m, r, g, b) {
return r + r + g + g + b + b;
});
var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result ? [
parseInt(result[1], 16),
parseInt(result[2], 16),
parseInt(result[3], 16)
] : null;
}
alert(hexToRgb("#0033ff").g); // "51";
alert(hexToRgb("#03f").g); // "51";