\documentclass[aspectratio=169]{beamer}
\usepackage{color}
\usepackage{pgfpages}

\setbeameroption{show notes on second screen}

\title{Image on primary screen}

\begin{document}

\begingroup
	\begin{frame}
		\begin{center}
			\includegraphics[width=0.5\textwidth]{jpeg-image}
			% Target color:
			% 112 29 193 // 701dc1
		\end{center}
	\end{frame}
	\begin{frame}
		\begin{center}
			\includegraphics[width=0.5\textwidth]{png-image}
			% Target color:
			% 20 99 180 // 1463b4
		\end{center}
	\end{frame}
\endgroup

\end{document}
