͊ NOT TILDE ABOVE UTF-8 character with hex code 034A

Using HEX code of NOT TILDE ABOVE in HTML file

<span> &#x034A; </span>

Using Decimal code of NOT TILDE ABOVE in HTML file

<span> &#842; </span>

Using HEX code of NOT TILDE ABOVE in CSS file for content

span { 
    content: '\034a';
}