This image features a stylized illustration of a blue whale's tail fin. The fin is rendered in various shades of blue, with darker tones at the base and lighter hues towards the edges. The illustration highlights the fin's smooth curves and the subtle shading that gives it a three-dimensional appearance. The background is a solid black, which contrasts with the blue tones of the fin and makes it stand out. The overall effect is one of elegance and grace, capturing the beauty of this marine creature. The illustration could be used in educational materials or designs related to ocean life.