Type your color in the box in the left, it doesn't matter the format and how you space the values.
You can also try with a keyword.
You can link to this same page with the following url formats:
An also with...
Read the about section for other useful url shortcuts.
RAL 7031 has a supplemental name to avoid confusion in case of transposed digits.
Blue grey (EN)
Gris bleu (FR)
Gris azulado (ES)
Grigio bluastro (IT)