documentclass{report}
    usepackage{xcolor}
    usepackage{lipsum}
    usepackage[pagestyles]{titlesec}

newpagestyle{normalStyle}
{sethead{}{Header}{}headrule
  setfoot{}{Footer}{}footrule}
pagestyle{normalStyle}

newpagestyle{chapterStyle}
{sethead{}{Header}{}headrule
  setfoot{}{Footer}{}footrule}
pagestyle{chapterStyle}

assignpagestyle{chapter}{chapterStyle}

renewcommandmakeheadrule{color{cyan}rule[-.3baselineskip]{linewidth}{0.4pt}}
renewcommandmakefootrule{color{cyan}rule[baselineskip]{linewidth}{0.4pt}}

begin{document}

chapter{Some Chapter Title}

lipsum

end{document}