Add support for links (using hyperref)

% Define colours

\definecolor{blue-mu}{RGB}{0,39,118}

\definecolor{ref-dark-red}{rgb}{0.6,0.15,0.15}

\definecolor{ref-dark-green}{rgb}{0.15,0.4,0.15}

\definecolor{ref-medium-blue}{rgb}{0,0,0.5}

% setup hyperref

\RequirePackage[ colorlinks=true

               , linkcolor={ref-dark-red}

               , citecolor={ref-dark-green}

               , urlcolor={ref-medium-blue}

               ]{hyperref}

% Define name strings and setting commands

\def\@colorProfile{}