CERN logo

Unofficial logo of CERN to be used for creative and fun variations only! Please do NOT use for official publications! Note that to run this code, you need to install the classico font (which is the LaTeX-equivalent for Optima).

Edit and compile if you like:

% Author: Izaak Neutelings (June 2023)
% Description:
%   Unofficial logo of CERN to be used for creative and
%   fun variations only! Do NOT use for official publications!
% Sources:
%   https://design-guidelines.web.cern.ch/guidelines/logo
%   https://design-guidelines.web.cern.ch/downloads
\documentclass[border=0pt,tikz]{standalone}
%\usepackage[outline]{contour} % glow around text
%\usepackage{xcolor}
%\usetikzlibrary{positioning}
%\contourlength{0.1pt}
\usetikzlibrary{calc}

% CERN FONTS
% https://tug.org/FontCatalogue/urwclassico/
% https://tug.org/fonts/getnonfreefonts/
% https://tug.org/fonts/fontinstall.html
% Install on macOS:
%  curl --remote-name https://www.tug.org/fonts/getnonfreefonts/install-getnonfreefonts
%  sudo texlua install-getnonfreefonts
%  sudo getnonfreefonts --sys classico
\usepackage[T1]{fontenc}
\usepackage{classico} % URW Classico ~ Optima
\usepackage{helvet} % Helvetica
\newcommand*{\helvet}{\fontfamily{phv}\selectfont}

% CMS COLORS
\definecolor{colbkg}{RGB}{12,74,142} % CERN blue
%\colorlet{myred}{red!90!black}

% CMS STYLES
\tikzstyle{line}=[colbkg,double=#1,line width=1.5,double distance=1.8]
\tikzset{
  line/.default=white,
}

\begin{document}


% CMS LOGO - default colors
\begin{tikzpicture}[x=2cm,y=2cm]
  
  %%%% OFFICIAL LOGO
  %%%% https://cms-docdb.cern.ch/cgi-bin/PublicDocDB/ShowDocument?docid=3045
  %%%\node[inner sep=0,outer sep=0] at (0,0) {
  %%%  \includegraphics[width=40mm] %,clip,trim={0mm 0mm 0mm 0mm}]
  %%%    {CERN_LogoBadge.pdf}
  %%%};
  
  % DETECORS LAYERS
  \def\rL{0.6205}
  \def\rxR{0.622}
  \def\ryR{0.633}
  \def\angA{190}
  \def\angB{89.8}
  \def\angC{-39}
  \def\angD{13}
  \def\angE{-11}
  \coordinate (L) at (133.5:0.224);
  \coordinate (R) at (-16:0.127);
  \begin{scope}[opacity=1]
    \clip (-1,-1) rectangle (1,1);
    \fill[colbkg] (-1,-1) rectangle (1,1);
    
    % RIGHT CIRCLE
    \begin{scope}
      \clip %draw[green]
        (R)++(-1.1*\rxR,-1.1*\rxR) |- ($(R)+(-45:{0.05*\rxR} and {0.05*\ryR})$)
        --++ (138.3:{1.1*\rxR} and {1.1*\ryR}) |- ($(R)+(1.2*\rxR,1.09*\rxR)$) |- cycle;
      \draw[line]
        (R) ellipse({\rxR} and {\ryR})
        ($(R)+(\angE:\rxR)$)
          to[out=89+\angE,in=-86+\angE]++ (94.1+\angE:1.3*\rxR);
    \end{scope}
    
    % LEFT CIRCLE
    \clip %draw[red]
      (L)++(-1.1*\rL,1.1*\rL) rectangle++ (0.7*\rL,-2.292*\rL)
      (L)++(-0.5*\rL,1.1*\rL) rectangle++ (2.4*\rL,-3.1*\rL);
    \draw[line]
      (L) circle(\rL)
      ($(L)+(\angA:\rL)$)
        to[out=91+\angA,in=-84+\angA]++ (95+\angA:0.68) % truncate with clip
      ($(L)+(\angB:\rL)$) --++ (\angB-90:1.6)
      ($(L)+(\angC:\rL)$)
        to[out=\angC-90,in=\angC+88.5]++ (\angC-93.4:1.2)
      ($(L)+(\angD:\rL)$)
        to[out=\angD-88,in=\angD+90]++ (\angD-90.1:1.4);
    \draw[line] % right circle overlapping left circle on top
      ($(R)+(100:{\rxR} and {\ryR})$) arc(100:40:{\rxR} and {\ryR});
    
    % CERN
    \node[white,font=\classico,xscale=2.25,yscale=2.18]
      at ($(L)+(130:0.018)$) {CERN};
    
  \end{scope}
  
\end{tikzpicture}


\end{document}