Blue Jewel by Johnstone's is a deep blue. Hex: #374E79. RGB: 55, 78, 121. Price: approximately £13.37 per litre. The nearest equivalent from another manufacturer is Dulux Starlit Night 1 (ΔE 0.9, “identical”), priced at approximately £14.40 per litre. Other close alternatives include RAL Classic Violet blue (ΔE 1.3) and Dulux Plush Velvet 3 (ΔE 2.9).
Blue Jewel by Johnstone's
- Hex
#374E79- RGB
- 55, 78, 121
- Manufacturer
- Johnstone's
- Price per litre
- £13.37
- Price per m2 (?)
- £2.23
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Nearest matches & alternatives from other brands
| Colour | Manufacturer | ΔE | Match quality | Price/L | Price/m2 (?) |
|---|---|---|---|---|---|
| Starlit Night 1 | Dulux | 0.9 | Identical | £14.40 (£1.03 more) | £2.22 |
| Violet blue (No.5000) | RAL Classic | 1.3 | Near-identical | — | — |
| Plush Velvet 3 | Dulux | 2.9 | Near-identical | £14.40 (£1.03 more) | £2.22 |
| Smalt (No.255) | Little Greene | 3.2 | Very close | £29.20 (£15.83 more) | £4.49 |
| Blue Blood | Coat | 3.5 | Very close | £24.80 (£11.43 more) | £4.96 |
| Smalt | Craig & Rose | 3.6 | Very close | £18.00 (£4.63 more) | £2.57 |
| Oxford Blue | Crown | 3.9 | Very close | — | — |
| Morning Jewel 1 | Dulux | 3.9 | Very close | £14.40 (£1.03 more) | £2.22 |
| Deep Ultramarine (No.LRV 9) | Dulux Heritage | 4.0 | Very close | £10.80 (£2.57 less) | £1.35 |
Starlit Night 1
Dulux
Identical
ΔE 0.9
£14.40/L
£2.22/m2
Violet blue
RAL Classic
Near-identical
ΔE 1.3
Plush Velvet 3
Dulux
Near-identical
ΔE 2.9
£14.40/L
£2.22/m2
Smalt
Little Greene
Very close
ΔE 3.2
£29.20/L
£4.49/m2
Blue Blood
Coat
Very close
ΔE 3.5
£24.80/L
£4.96/m2
Smalt
Craig & Rose
Very close
ΔE 3.6
£18.00/L
£2.57/m2
Oxford Blue
Crown
Very close
ΔE 3.9
Morning Jewel 1
Dulux
Very close
ΔE 3.9
£14.40/L
£2.22/m2
Deep Ultramarine
Dulux Heritage
Very close
ΔE 4.0
£10.80/L
£1.35/m2
Colour neighbourhood
Coverage & application
Manufacturer figures from the Johnstone's Product Advice Sheet. Real-world coverage is typically 15-20% lower.
| Finish | Coverage | Coats | Sheen | Scrub class | Touch dry | Recoat | VOC |
|---|---|---|---|---|---|---|---|
| MY colour Durable Matt PAS | 12 m²/L | 2 | 4% | — | 1h | 3h | — |
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