\documentclass[tikz,border=6pt]{standalone}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{amsmath}
\usepackage{tikz}
\usetikzlibrary{arrows.meta,positioning,calc}
\definecolor{ink}{HTML}{111827}
\definecolor{blue}{HTML}{2563EB}
\definecolor{green}{HTML}{059669}
\definecolor{violet}{HTML}{7C3AED}
\definecolor{paper}{HTML}{FFFDF7}
\begin{document}
\begin{tikzpicture}[>=Latex, font=\small, text=ink]
  \fill[paper] (-0.6,-1.3) rectangle (11.0,2.35);
  \node[draw=blue!55, fill=blue!8, rounded corners=3pt, align=center] (r1) at (0.9,1.0) {$R_1$\\ $QC_3$};
  \node[draw=blue!55, fill=blue!8, rounded corners=3pt, align=center] (r2) at (0.9,0.0) {$R_2$\\ $QC_4$};
  \node[draw=blue!55, fill=blue!8, rounded corners=3pt, align=center] (r3) at (0.9,-1.0) {$R_3$\\ $QC_4$};
  \node[draw=violet!60, fill=violet!8, rounded corners=3pt, align=center, minimum width=2.25cm] (leader) at (4.15,0) {nuevo líder\\ \scriptsize recolecta new-view};
  \node[draw=green!60, fill=green!8, rounded corners=3pt, align=center, minimum width=2.25cm] (high) at (7.9,0) {$\operatorname{highQC}=QC_4$\\ \scriptsize mayor vista};
  \node[draw=green!60, fill=green!8, rounded corners=3pt, align=center, minimum width=1.8cm] (prop) at (10.2,0) {propone\\ \scriptsize extiende};
  \draw[->, blue!70] (r1.east) -- (leader.west);
  \draw[->, blue!70] (r2.east) -- (leader.west);
  \draw[->, blue!70] (r3.east) -- (leader.west);
  \draw[->, violet!75] (leader.east) -- node[above=8pt, font=\scriptsize, text=violet] {$\scriptstyle maxView$} (high.west);
  \draw[->, green!75] (high.east) -- (prop.west);
  \node[font=\footnotesize, align=center] at (5.3,1.85) {una nueva vista no borra memoria: transporta el QC más alto conocido por un quórum};
\end{tikzpicture}
\end{document}
