doc-src/pdfsetup.sty

use darkblue for all links;

\message{pdfsetup.sty v0.1 11/7/2001}
\@ifundefined{pdfoutput}{\message{No PDF output}\usepackage{../url}}
{\message{Generating PDF output}%
  \usepackage{color}\definecolor{darkblue}{rgb}{0,0,0.5}%
  \usepackage[pdftex,colorlinks=true,linkcolor=darkblue,citecolor=darkblue,filecolor=darkblue,pagecolor=darkblue,urlcolor=darkblue]{hyperref}%
              %no a4paper because overall style sets this (not for Springer!)
  \gdef\fnote#1{\hyperpage{#1}n}
  \gdef\bold#1{\textbf{\hyperpage{#1}}}}

\urlstyle{rm}