Blue Jewel by Johnstone's is a deep blue. Hex: #374E79. RGB: 55, 78, 121. Price: approximately £12.36 per litre. The nearest equivalent from another manufacturer is RAL Classic Violet blue (ΔE 1.3, “near-identical”). Other close matches include Little Greene Smalt (ΔE 3.2) and Coat Blue Blood (ΔE 3.5).
Blue Jewel by Johnstone's
- Hex
#374E79- RGB
- 55, 78, 121
- Manufacturer
- Johnstone's
- Price per litre
- £12.36
- Price per m2 (?)
- £2.06
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Nearest matches from other manufacturers
| Colour | Manufacturer | ΔE | Match quality | Price/L | Price/m2 (?) |
|---|---|---|---|---|---|
| Violet blue (No.5000) | RAL Classic | 1.3 | Near-identical | — | — |
| Smalt (No.3) | Little Greene | 3.2 | Very close | £28.00 (£15.64 more) | £4.31 |
| Blue Blood | Coat | 3.5 | Very close | £22.40 (£10.04 more) | £4.48 |
| Smalt | Craig & Rose | 3.6 | Very close | £18.00 (£5.64 more) | £2.57 |
| Oxford Blue | Crown | 3.9 | Very close | — | — |
| Deep Ultramarine (No.LRV 9) | Dulux Heritage | 4.0 | Very close | £10.40 (£1.96 less) | £1.30 |
| Drawing Room Blue | Farrow & Ball | 4.3 | Very close | £25.60 (£13.24 more) | £3.94 |
| Dinnerware | Farrow & Ball | 4.5 | Very close | £25.60 (£13.24 more) | £3.94 |
| Marine Waters | Dulux | 4.6 | Very close | £10.20 (£2.16 less) | £1.57 |
Violet blue
RAL Classic
Near-identical
ΔE 1.3
Smalt
Little Greene
Very close
ΔE 3.2
£28.00/L
£4.31/m2
Blue Blood
Coat
Very close
ΔE 3.5
£22.40/L
£4.48/m2
Smalt
Craig & Rose
Very close
ΔE 3.6
£18.00/L
£2.57/m2
Oxford Blue
Crown
Very close
ΔE 3.9
Deep Ultramarine
Dulux Heritage
Very close
ΔE 4.0
£10.40/L
£1.30/m2
Drawing Room Blue
Farrow & Ball
Very close
ΔE 4.3
£25.60/L
£3.94/m2
Dinnerware
Farrow & Ball
Very close
ΔE 4.5
£25.60/L
£3.94/m2
Marine Waters
Dulux
Very close
ΔE 4.6
£10.20/L
£1.57/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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