The digital color reference is a muted, mid-tone blue leaning cool. Humbrol Blue Grey is the nearest listed result in the same broad paint-type group at 85 percent; treat it as a color reference to test. The catalog suggests Grey-Blue as a darker color and Have Glass Grey Fs 36170 as a lighter color to test, both from AK Interactive. A shared broad paint type does not guarantee the same sheen, opacity or thinner compatibility.
Raf Pru Blue Bs381C/636 equivalents and near misses
The listed candidates for AK Interactive Raf Pru Blue Bs381C/636 have lower same-type color scores or belong to a different paint-type group. Use the digital values to choose a test candidate.
Closest Humbrol equivalent: Humbrol 79 Blue Grey, similar digital colors (delta E 3.0).
The Two Thin Coats pick: Two Thin Coats Shadow Blue, some difference between the stored swatches (delta E 3.1).
Nearest in the Citadel catalog: Citadel Russ Grey, a broader digital color reference (delta E 4.0).
Best Tamiya option: Tamiya XF-50 Field Blue, a larger difference between the stored swatches (delta E 5.6).
Our digital comparison places Humbrol Blue Grey slightly warmer than the original swatch. Use that as a clue for selecting test paints, not a prediction of dried-paint appearance.
How to read the score
96–100Very close color
88–95Close color
78–87Similar color
0–77Loose color match
Scores compare approximate digital swatches. Test the paint before substituting.
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
Try any paint in the scheme toolMatch difficulty
Found in 3 other brands with a similar digital color in the same catalog paint-type group.
Possible uses for this color
Frequently asked
What is the closest equivalent to AK Interactive Raf Pru Blue Bs381C/636?
The leading match in the same broad paint-type group is Humbrol Blue Grey at 85% digital color similarity. Check sheen, medium and coverage before substituting.
Is there a Citadel equivalent of Raf Pru Blue Bs381C/636?
A Citadel candidate to check is Russ Grey at 80% digital color similarity in the same broad paint-type group. A physical test is still needed.
What color is Raf Pru Blue Bs381C/636?
The approximate digital swatch for Raf Pru Blue Bs381C/636 is a mid-tone muted blue with a cool undertone (hex #536B77). It is not a physical paint measurement.
What do I highlight and shade Raf Pru Blue Bs381C/636 with?
The digital catalog suggests testing Have Glass Grey Fs 36170 for a lighter step and Grey-Blue for a darker step, both from AK Interactive. These are computed color suggestions, not tested layering recipes.