I can provide you a couple shades of blue that are particularly noble:

"Powder Blue" is another shade of blue, which has the hexadecimal color code #B6D0E2. It is a very light shade of blue that is derived from cobalt. The name of the color is derived from a sort of powdered cobalt that was used to produce dyes and clean clothing.

"Sky Blue", represented by the hexadecimal color #87CEEB, is a light shade of greenish-blue that resembles a clean, cloudless sky at noon. Sky blue comes in almost as many variants as there are vantage points from which to view it.

"Royal Blue", which has the hexadecimal color code #4169E1, is a vibrant, eye-catching blue that is much more saturated than navy blue, its close relative. The term "royal" blue, a hue with regal associations, was originally used in England during a dressmaking competition for Queen Charlotte.

The color "Baby Blue" is quite close to pastel blue, however pastel blue is a little redder and more subdued. Its hexadecimal value is #A7C7E7. Rococo and Impressionist art both exhibited pastel blue, along with the other pastel colors, as a defining hue.

I hope you find these shades of blue noble and useful. Please ask me, if I can help you any further or if you want me to change something in the answer.
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