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