0 - - 0 - - 0
0 - - 0 - - 0
2 - - 4 - - 6
3 - - 5 - - 7
3 - - 5 - - 7
1 - - 3 - - 5

Three chords that fit the same vibe!

Using these all of these chords in a song would result in an odd key signature due to three consecutive major triads.