\documentclass[a4paper,12pt]{article}

\usepackage[hidelinks]{hyperref}
\usepackage[dvipsnames,svgnames,table,hyperref]{xcolor}
\renewcommand{\UrlFont}{\ttfamily}
\usepackage[a-2b]{pdfx}

\usepackage[landscape,left=1.5cm,right=1.5cm,bottom=1.2cm,top=1cm]{geometry}

\usepackage{sourcecodepro}
\usepackage{sourceserifpro}
\usepackage[default,osf,semibold]{sourcesanspro}

\usepackage{fontawesome5}
\usepackage[activate={true,nocompatibility},final,tracking=true,kerning=true,spacing=true,factor=2000]{microtype}
\newcommand{\acr}[1]{\textls*[70]{\scshape \texorpdfstring{\MakeLowercase{#1}}{#1}}}
\usepackage{setspace}

\usepackage{qrcode}

\definecolor{discord}{HTML}{7289DA}
\definecolor{Grey}{HTML}{585858}
\definecolor{Red}{HTML}{D13E4E}
\definecolor{Green}{HTML}{26a269}

\usepackage[source]{embedall} % update options when upgrading to texlive 2019

\begin{document}
\thispagestyle{empty}

\begin{center}
  \ttfamily
  {\fontseries{sb}\fontsize{2.4cm}{1ex}\selectfont Join our {\raisebox{-2pt}{\faDiscord}\,Discord}}\\[6mm] %

  \vspace{2mm}
\fontsize{1.1cm}{1.1cm}\selectfont \texttt{https://discord.gg/28bdDESWG6} \\[8pt]
\qrcode[hyperlink,height=10cm]{https://discord.gg/28bdDESWG6}

\vfill

{\fontseries{mb}\selectfont\huge\color{Grey}
    You can also find us on Matrix at\\ {\Huge\color{Green}\#ucc:ucc.asn.au} \\
    \LARGE or over on IRC at {\color{Red}irc.ucc.asn.au\,\#ucc}}
\end{center}

\end{document}
