Peacock blue number

Quick answer：

The term 'Peacock blue number' refers to a specific shade of blue, which is a vibrant and rich color reminiscent of the feathers of a peacock. In the context of color standards, it could be a particular Pantone or RAL number assigned to this shade. Peacock blue is often used in fashion, interior design, and graphic design to convey a sense of elegance and luxury.