'configuration-line' => 'red',
         'content-type'       => 'yellow',
         'HOST'               => HEADER_DEFAULT_COLOUR,
+        'tls-version'        => 'pink',
+        'cipher-suite'       => 'light_cyan',
     );
 
     %h_colours = %h;
         # Client socket 21 is no longer usable. The server socket has been closed.
         $c =~ s@(?<=Client socket )(\d+)@$h{'Number'}$1$h{'Standard'}@;
 
+    } elsif ($c =~ m/^Server successfully connected over/) {
+
+        # Server successfully connected over TLSv1.3 (TLS_AES_256_GCM_SHA384).
+        $c =~ s@(?<=connected over )(TLSv\d\.\d)@$h{'tls-version'}$1$h{'Standard'}@;
+        $c =~ s@(?<=\()([^)]+)@$h{'cipher-suite'}$1$h{'Standard'}@;
+
     } elsif ($c =~ m/^Looks like we / or
              $c =~ m/^Unsetting keep-alive flag/ or
              $c =~ m/^No connections to wait/ or