Regal Silk vs Royal Regatta 3
Regal Silk and Royal Regatta 3 are both Dulux blues. The gap between them is ΔE 4.5 — “very close”. Royal Regatta 3 is the lighter of the two. Both cost about £10.20 per litre.
| Regal Silk | Royal Regatta 3 | |
|---|---|---|
| Hex | #006AA8 | #2676AD |
| Lightness (L*) | 43 | 47 |
| Price / litre | £10.20 | £10.20 |
More Dulux comparisons
Looking across brands instead? See Regal Silk’s cross-brand matches and cheaper alternatives, or Royal Regatta 3’s.