Chords in the Key of F# Major
Every diatonic triad and seventh chord in F# major, with the progressions built from them. Free. No sign-up.
Key facts
Diatonic triads
Seventh chords
Stack one more scale tone on each triad and you get the seventh chords — same key, more color.
| Degree | Chord | Quality | Notes |
|---|---|---|---|
| Imaj7 | F#maj7 | major 7th | F# · A# · C# · E# |
| ii7 | G#m7 | minor 7th | G# · B · D# · F# |
| iii7 | A#m7 | minor 7th | A# · C# · E# · G# |
| IVmaj7 | Bmaj7 | major 7th | B · D# · F# · A# |
| V7 | C#7 | dominant 7th | C# · E# · G# · B |
| vi7 | D#m7 | minor 7th | D# · F# · A# · C# |
| viiø7 | E#m7b5 | half-diminished | E# · G# · B · D# |
Common progressions in F# major
I–V–vi–IV
F# – C# – D#m – B
The four-chord pop loop — a huge share of modern radio runs on it.
I–IV–V
F# – B – C#
The three-chord workhorse behind blues, folk, and early rock and roll.
ii–V–I
G#m – C# – F#
The jazz cadence — the strongest pull back home in the key.
I–vi–IV–V
F# – D#m – B – C#
The '50s doo-wop turnaround, still everywhere in ballads.
How the key of F# major works
F# Major carries six sharps (F#, C#, G#, D#, A# and E#). The scale runs F#–G#–A#–B–C#–D#–E#, and stacking every other note of that scale builds the seven chords above — every chord tone comes from those same seven notes. The E# is not a typo: each letter appears exactly once per scale, so the note you might casually call F is spelled E# here.
D# Minor is the relative minor: identical key signature, identical seven chords. A song that treats D#m — the vi chord here — as home base is in D# minor, even though its chord inventory matches this page exactly.
The parallel minor, F# Minor, keeps the same root but flattens the third, sixth, and seventh — its signature shifts to three sharps (F#, C# and G#). Borrowing chords across that line is where a lot of songwriting color comes from.
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