The color of the page header is not consistent
Summary
On some pages, the header color is purple and on other pages the color is dark purple.
Steps to reproduce
Examples:
https://community.torproject.org/relay/community-resources/bad-relays/
https://community.torproject.org/relay/community-resources/eff-tor-legal-faq/
https://community.torproject.org/relay/community-resources/tor-relay-universities/
https://community.torproject.org/relay/community-resources/good-bad-isps/
What is the expected correct behavior?
We should have a consistent color in the website header.