documentclass[markcolor=black,spinewidth=15mm]{bookcover}

usepackage[T1]{fontenc}
usepackage[english]{babel}
definecolor{background}{cmyk}{.18,.35,.92,.07}
definecolor{lettering}{cmyk}{.40,.45,.7,.34}
begin{document}


% The outside of the book cover
begin{bookcover}

    % That wonderful Dijon mustard background color on the cover
    bookcovercomponent{color}{bg whole}{color=background}


    % That wonderful Dijon mustard background color on the spine
    bookcovercomponent{color}{bg spine}{color=background}


    % Text on the spine
    bookcovercomponent{center}{spine}{
        rotatebox[origin=c]{90}{footnotesizebfseries
            Universidade de Coimbra}}

    % Uni logo (uc.png) on the front cover
    bookcovercomponent{normal}{front}{
        centering
        includegraphics[width=6cm]{./img/universidade-coimbra.png}
        }

end{bookcover}