Color Palette:
1. Muted Dark Blue (
          
          #3A4D6E
       ) - A deep and rich dark blue with a subtle muted tone.
2. Dusty Navy (
          
          #596A82
       ) - A soft and dusty navy blue shade.
3. Midnight Indigo (
          
          #2C3A4C
       ) - A dark and mysterious indigo hue resembling the night sky.
4. Stormy Slate (
          
          #455366
       ) - A cool and calming slate grey with hints of blue.
5. Smoky Blue (
          
          #61768E
       ) - A smoky and serene blue color with a touch of grey.
6. Steel Teal (
          
          #4C5E6F
       ) - A muted teal shade reminiscent of industrial steel.
7. Shadowy Charcoal (
          
          #36404C
       ) - A dark and moody charcoal color with a hint of blue.
8. Slate Blue (
          
          #5B6D80
       ) - A sophisticated and muted blue-grey tone resembling slate.
9. Deep Ocean (
          
          #2E3F50
       ) - A deep and rich oceanic blue color with a hint of green.
10. Navy Ink (
          
          #3F4E65
       ) - A deep and bold navy blue with a touch of black.
11. Midnight Mist (
          
          #485669
       ) - A misty and dark blue shade resembling the midnight sky.
12. Moonlit Night (
          
          #33415A
       ) - A deep and mysterious blue-black color evoking a moonlit night.