Royal Regatta 5 vs Sea Blue

Royal Regatta 5 and Sea Blue are both Dulux blues. The gap between them is ΔE 6.6 — “close”. Royal Regatta 5 is the lighter of the two. Both cost about £14.40 per litre.

	Royal Regatta 5	Sea Blue
Hex	#60A0CE	#588DC3
Lightness (L*)	63	57
Price / litre	£14.40	£14.40

Looking across brands instead? See Royal Regatta 5’s cross-brand matches and cheaper alternatives, or Sea Blue’s.