The best replacement for blue line is pan world.

The best alternatives to blue line are rated as following:
★★★★★  pan world
★★★  red line

Your alternative for blue line is not listed? Suggest!
Speaking about blue line, one probably shouldn't forget about black background.

Other search terms related to blue line and their ratings are:
★★★★★ black background
★ black
★ american flag
You have in mind a companion for blue line and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of blue line in all years. Click on graph for more.
blue line
pan world
red line