The subdominant triad is a triad built on scale degree $\hat{4}$ in a [[major scale|major]] or [[minor scales|minor]] key and typically functions as a [[predominant harmony]].
**Example 1.** Subdominant triad in major.
![[example subdominant triad in major.png]]
**Example 2.** Subdominant triad in minor.
![[example subdominant triad in minor.png]]