Here are some shades of blue that are commonly associated with elegance, sophistication, and timelessness:

1. Royal Blue: #002366
2. Cobalt Blue: #0047AB
3. Sapphire Blue: #0F52BA
4. Midnight Blue: #191970
5. French Blue (Bleu de France): #318CE7
6. Powder Blue: #9EB9D4

These colors might be considered noble because they are often associated with luxury and quality and are used in many formal and high-end settings, such as in fashion, interior design, and branding. Additionally, they have a timeless appeal and are not subject to trends, making them a popular choice in long-lasting design projects.
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