Color-wise this is a muted, mid-tone blue leaning cool. This is a common color; 3 other brands cover it, the nearest being Humbrol Blue Grey at 85 percent. It builds a smooth gradient with Grey-Blue underneath and Have Glass Grey Fs 36170 on the highlights, all in the AK Interactive line. Treat it as an easy swap, just confirm the finish type matches before you commit.
Raf Pru Blue Bs381C/636 equivalents and near misses
Fair warning: nothing matches AK Interactive Raf Pru Blue Bs381C/636 cleanly. The options below are the least bad, and every one of them drifts.
Closest Humbrol equivalent: Humbrol Blue Grey, close, with a hint of drift side by side (delta E 3.0).
The Two Thin Coats pick: Two Thin Coats Shadow Blue, a near match with visible drift up close (delta E 3.1).
Nearest in the Citadel catalog: Citadel Russ Grey, a usable stand-in rather than a twin (delta E 4.0).
Best Tamiya option: Tamiya Field Blue, workable at tabletop distance, not up close (delta E 5.6).
Check it on a spare model first, because Humbrol Blue Grey sits slightly warmer than the original and the difference grows over large flat panels.
How to read the score
90+Close
80sUsable
<70Mix
Humbrol
Two Thin Coats
Citadel
Tamiya
Monument Pro Acryl
Vallejo
Green Stuff World
The Army Painter
Revell
Scale75
P3 Paints
About this color
Color profile
Highlight and shade ladder
Pairs well with
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Where painters use it
Frequently asked
What is the closest equivalent to AK Interactive Raf Pru Blue Bs381C/636?
The closest same-finish match is Humbrol Blue Grey at 85% color similarity.
Is there a Citadel equivalent of Raf Pru Blue Bs381C/636?
Yes. The closest Citadel option is Russ Grey at 80%, a same-finish match.
What color is Raf Pru Blue Bs381C/636?
Raf Pru Blue Bs381C/636 is a mid-tone muted blue with a cool undertone (hex #536B77).
What do I highlight and shade Raf Pru Blue Bs381C/636 with?
Highlight Raf Pru Blue Bs381C/636 toward Have Glass Grey Fs 36170 and shade it down into Grey-Blue, both AK Interactive paints in the same finish family.