brolly Hi
If you want to change it globally, I recommend you to change via LESS file, you can try this tweak:
1/ BACKUP your site
2/ Edit this file:
root/templates/ja_resume/less/variables.less
Look for this code:
// Brand colors
// -------------------------
@brand-primary: #00aeef;
@brand-secondary: #428bca; // T3 Note: Add secondary color
@brand-success: #5cb85c;
@brand-warning: #f0ad4e;
@brand-danger: #d9534f;
@brand-info: #5bc0de;
// Accent colors
// -------------------------
@black: #000;
@white: #fff;
@blue: #07b;
@green: #690;
@cyan: #09c;
@red: #00aeef;
@yellow: #fc0;
@orange: #f80;
@pink: #d60a6c;
@purple: #8b08ae;
and change the brand-primary: #00aeef; and @red: #00aeef; variables to your desired color as above
Then go to Backend >> Template styles >> JA Resume >> compile LESS to CSS: