#4169E1

This is the exact colour you selected.

Exact named match

Source: CSS named colours · Similarity 100%

Royal Blue

100% · CSS named colours

Steel Blue

90.4% · CSS named colours

Slate Blue

89.8% · CSS named colours

Dusty Blue

87.7% · XKCD colour survey

Medium Slate Blue

87.4% · CSS named colours

Royal Blue colour codes, shades and palettes.