Changing toc colors

Question

I need to set the same color as in the two screenshots:

As you can see, theorems and figures numbers are in blue, cites in red and the toc is in black with its number in blue. How can achieve this combination?

These are the parameters I've got to change:

{\hypersetup{
    colorlinks=true,
    linkcolor=black,
    filecolor=blue,      
    urlcolor=blue,
    citecolor=blue,
    %pdfpagemode=FullScreen,
}


\documentclass{book}
\usepackage{xcolor}
\colorlet{RED}{black} % don't color running headers
\colorlet{BLUE}{black}
\usepackage[titles]{tocloft}
\renewcommand{\cftchappresnum}{\color{red}} 
\renewcommand{\cftchappagefont}{\bfseries\color{red}}

\begin{document}

\frontmatter
\tableofcontents

\mainmatter
\chapter[\color{red}This is the first chapter]{This is the first chapter}
\section{section}
\section{section}
\section{section}
\end{document}

Answer 1

Setting the parameters like this:

\hypersetup{
    colorlinks=true,
    linkcolor=blue,
    filecolor=blue,      
    urlcolor=blue,
    citecolor=red,
    linktoc=page
}

does what you want. The line linktoc=page sets the table of contents such that only the page numbers (and not the chapter/section titles) are hyperlinks. This results in only the page numbers being colored in blue. See also here.

If you want particular references or citations to not be colored (for example in a minitoc), you can surround the relevant code like this (notice the curly braces {} surrounding the whole block):

{\hypersetup{linkcolor=black} % and/or citecolor=black
\minitoc % or any other content whose refs are not to be colored
}

Here is a minimum working example:

\documentclass{book}
\usepackage{hyperref}
\usepackage{xcolor}
\usepackage[titles]{tocloft}

\usepackage{minitoc}

\usepackage{theorem}

\newtheorem{theorem}{Theorem}

\hypersetup{
        colorlinks=true,
        linkcolor=blue,
        filecolor=blue,      
        urlcolor=blue,
        citecolor=red,
        linktoc=page
        %pdfpagemode=FullScreen,
    }

\begin{document}
\dominitoc

\frontmatter

\tableofcontents

\mainmatter
\chapter{This is the first chapter}

{\hypersetup{linkcolor=black}
\minitoc
}

\section{section}
This is a citation~\cite{ref1}. Theorem~\ref{thm1} provides some interesting information.
\begin{theorem}\label{thm1}
    Rain gets you wet.
\end{theorem}
\section{section}
\section{section}

\bibliographystyle{alpha}

\begin{thebibliography}{Smi19}

    \bibitem[Smi19]{ref1}
    John Smith.
    \newblock Citing in red.
    \newblock {\em Journal of Hyperlink Colors}, 2019.

\end{thebibliography}

\end{document}