The ral number of pantone 431c is RAL 7031. The color of pantone 431 C is a shade of grey.
Pantone 287 C is RAL 5010 (Gentian Blue)
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The RAL color 8025 is close to three Pantone colors. These colors are Pantone Solid Uncoated 4625 U, Pantone Metallic 8585 C, and Pantone Solid Coated 7532 C.
The RAL number of the Pantone color Reflex Blue C is thought to be 5002. There is no exact matching when converting RAL colors to Pantone colors, but this is the closest blue to it.
The equivalent of pantone 485C in RAL is the number 3028. The color of pantone 485C is a shade of red.
Pantone 215 c
blu pantone reflex blue c equivqlente ral
You really can't, because the two color books come from different places. About the best you can do is to set your RAL book next to your Pantone book and try to find a similar-enough color in the Pantone book.
This is not an insider answer. I have been comparing the dark blue color on a can of pepsi to the pantone color guide, and the two colors that most reseble that dark blue are Pantone 541 C and Pantone 302 C.
The color is called "Pantone 165 C"
You can use pantone website color system cross-referencing.