Proper Blue vs Ultramarine Blue
Proper Blue (No.No.67) and Ultramarine Blue (No.FTT-018) are both Mylands blues. The gap between them is ΔE 14.6 — “similar”. Ultramarine Blue is the lighter of the two, and Proper Blue the warmer. Both cost about £27.20 per litre.
| Proper Blue | Ultramarine Blue | |
|---|---|---|
| Hex | #2C516A | #0026FF |
| Lightness (L*) | 33 | 35 |
| Code | No.67 | FTT-018 |
| Price / litre | £27.20 | £27.20 |
More Mylands comparisons
Looking across brands instead? See Proper Blue’s cross-brand matches and cheaper alternatives, or Ultramarine Blue’s.