A technical artist is picking colors for the sky. They have picked a deep blue with a value of $(220^\circ, 80\%, 50\%)$ in the HSL color scheme. Now they have decided the sky should be grayer.
![color (220, 80, 50) on the HSL circle](https://ka-perseus-images.s3.amazonaws.com/f9041105bdfad36a8026e5f7b9354d1d03e804ee.png)
Which value represents a grayer blue?
[[☃ radio 2]]