300

Hall of Fame analysis from Baseball-Reference.com:

Black Ink	Pitching - 96 (7), Average HOFer ≈ 40
Gray Ink	Pitching - 282 (13), Average HOFer ≈ 185
Hall of Fame Monitor	Pitching - 330 (3), Likely HOFer ≈ 100
Hall of Fame Standards	Pitching - 65 (12), Average HOFer ≈ 50

Yes, that should be adequate.