Monochrome palette
Obsidian Boulevard
Dark anchor, working middle, light release: #006088, #008bc3, #37a7e1, #60b6e7, #87d2ff form a analogous monochrome set with somewhere to stand at every lightness. Made for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
skymonochromefive-stop
#006088
#008bc3
#37a7e1
#60b6e7
#87d2ff
The generator opens with #006088 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.