\setsecnumdepth{subsubsection} % section numeration depth
+% Redefine Chapters and Sections\r
+% https://tex.stackexchange.com/questions/476735/change-chapter-and-section-color-memoir-class\r
+\usepackage{xcolor}\r
+% define colors\r
+\definecolor{chaptercolour}{RGB}{23,85,142}\r
+\definecolor{sectioncolour}{RGB}{23,85,142}\r
+\definecolor{subsectioncolour}{RGB}{23,85,142}\r
+%\definecolor{subsubsectioncolour}{RGB}{23,85,142}\r
+\setparaheadstyle{\Large\bfseries\color{sectioncolour}}%\r
+\setsecheadstyle{\Large\bfseries\color{sectioncolour}}% Set \section style\r
+\setsubsecheadstyle{\large\bfseries\color{subsectioncolour}}% Set \subsection style
%\pagestyle{plain}
%\pagenumbering{roman}