Breton Blue vs Royal Regatta 1

Breton Blue and Royal Regatta 1 are both Dulux blues. The gap between them is ΔE 5.8 — “close”. Breton Blue is the lighter of the two. Both cost about £14.40 per litre.

	Breton Blue	Royal Regatta 1
Hex	#425465	#274C68
Lightness (L*)	35	31
Price / litre	£14.40	£14.40

Looking across brands instead? See Breton Blue’s cross-brand matches and cheaper alternatives, or Royal Regatta 1’s.