Paints › Citadel / Warhammer › Altdorf Guard Blue › vs Imperial BlueAltdorf Guard Blue vs Imperial Blue
Brand Citadel / Warhammer Range Colour: Layer Type an opaque base/layer paint Swatch #1f4a8a (estimate)
Brand Vallejo Range Game Color Code 72.020 Type an opaque base/layer paint Swatch #30518d (estimate) How close are they?
ΔE 4.3, very close: most people won’t see a difference side by side. Imperial Blue is a little lighter than Altdorf Guard Blue.
Can I use Imperial Blue instead of Altdorf Guard Blue? Yes, for most jobs. Very close match (ΔE 4). Imperial Blue is a little lighter than Altdorf Guard Blue.
Can I use Altdorf Guard Blue instead of Imperial Blue? The same difference applies the other way round: Altdorf Guard Blue is a little darker.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Altdorf Guard Blue on the colour wheel See Imperial Blue on the colour wheel
Other Vallejo paints close to Altdorf Guard Blue Other Citadel paints close to Imperial Blue All matches: Altdorf Guard Blue equivalents · Imperial Blue equivalents
© 2026 AK Tabletop Studio. Swatch colours are estimates and will differ from the real paints; cross-brand matches are close, never exact.
Chart-listed matches come from the Two Thin Coats Paint Comparison Chart 2024, the Army Painter Warpaints Fanatic conversion chart, the AK 3rd Generation Acrylics equivalence table (2021) and the Herrick Games hobby paint comparison chart; the rest are a nearest-colour calculation.
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