C♯ Major — Triads
Three-note stacks of thirds, one per scale degree. The chord-quality pattern below is the Major scale's diatonic harmony.
All 7 triads in sequence
Degree 1 · IC#
Degree 2 · iiD#m
Degree 3 · iiiE#m
Degree 4 · IVF#
Degree 5 · VG#
Degree 6 · viA#m
Degree 7 · vii°B# dim