The F♯ minor chord is a triad consisting of three notes: F♯, A, and C♯. It is built on the root note F♯, with A being the minor third and C♯ the perfect fifth. This chord is commonly used in various music genres, including classical, rock, and pop, to create a somber or melancholic sound. In music theory, the F♯ minor chord is often represented in chord progressions and can be played on instruments like the piano and guitar. It is the relative minor of the A major scale, sharing the same key signature of three sharps, which are F♯, C♯, and G♯.