Replied in thread
The color comparison is off. Lapis Lazuli was the old ultramarine blue before chemistry industry found out how to make it artificially.
Lapis Lazuli is the blue of kings, because it was so expensive. It's a royal blue.
https://www.geologyin.com/2019/09/lapis-lazuli-composition-and-color.html
Geology In · Lapis Lazuli: Gemstone, Uses, Properties