🔛 On with arrows UTF-8 character with hex code 1F51B

Using HEX code of On with arrows in HTML file

<span> &#x1F51B; </span>

Using Decimal code of On with arrows in HTML file

<span> &#128283; </span>

Using HEX code of On with arrows in CSS file for content

span { 
    content: '\1f51b';
}