Here’s a cooler nature-inspired color palette that maintains your base colors ( #041e42 , #8a8d8f , and #ffffff ) while infusing it with cooler tones reminiscent of water and serene landscapes.

 <Cool Nature>
1. Deep Ocean - 
                            
                            #041e42
                         - A dark, deep blue that resembles the depths of the ocean, providing a sense of calm.
2. Stone Gray - 
                            
                            #8a8d8f
                         - A cool, neutral gray that reflects the stability of stone and complements other colors.
3. Pure White - 
                            
                            #ffffff
                         - A bright, clean white that symbolizes clarity and freshness.
4. Cool Mist - 
                            
                            #a4c8e1
                         - A soft, misty blue that evokes the tranquility of fog over water.
5. Iceberg Green - 
                            
                            #b7e0d8
                         - A pale greenish-blue that reflects the coolness of icebergs and glacial waters.
6. Sage Green - 
                            
                            #9cba9c
                         - A muted, cool green that brings to mind the freshness of sage leaves.
7. Frosty Lavender - 
                            
                            #e3e1f0
                         - A soft lavender that adds a cool, dreamy quality to the palette.
8. Slate Blue - 
                            
                            #6a7b9d
                         - A muted blue that resembles slate stone, adding depth and calmness.
9. Seafoam Blue - 
                            
                            #a2d8d8
                         - A light blue-green that captures the essence of gentle sea foam.
10. Arctic Gray - 
                            
                            #d0d4d8
                         - A cool, light gray that reflects the serene beauty of arctic landscapes.
11. Cool Mint - 
                            
                            #b2e0d4
                         - A refreshing mint color that adds a touch of coolness and brightness.
12. Whispering Blue - 
                            
                            #c3d9e7
                         - A soft, whispering blue that evokes the essence of a clear sky.

Palette Description:

The “Cool Nature” palette features a range of cool tones inspired by serene water landscapes, misty mornings, and gentle greenery. This collection is perfect for designs that aim to evoke tranquility, freshness, and a connection to cool natural elements.

Follow-up Questions:

1. What type of project do you have in mind for this cooler palette?
2. Are there any specific elements of cooler natural environments you want to focus on (e.g., water, ice, mist)?
3. Would you like to include any additional colors or shades?