F-sharp major chord
F-sharp major is the only major triad in this collection whose three notes all lie on black keys.
The keyboard
Build F-sharp major yourself on the virtual keyboard: select exactly the notes F♯ – A♯ – C♯. If your selection is correct, the page confirms the chord. Use “Reset” to start over and “Show solution” to see the reference again.
Structure
Chord symbol: F♯ · Notes: F♯ – A♯ – C♯
F-sharp major consists of F-sharp, A-sharp and C-sharp. F-sharp to A-sharp is a major third, and A-sharp to C-sharp is a minor third. The same piano keys can be spelled enharmonically as G-flat major, but not as D-flat major.