RAF Blue's approximate swatch sits in the blue family: mid-tone in tone, muted in saturation, cool in cast. The leading same-type candidate, Vallejo Grey Blue, scores 86 percent digital color similarity, below our close-color tier. For a possible shade and highlight, compare Slate Grey and Satin US Medium Grey, both Humbrol paints selected from the digital catalog. A shared broad paint type does not guarantee the same sheen, opacity or thinner compatibility.
RAF Blue equivalents in other ranges
Review paint type as well as the color score for RAF Blue. These are approximate digital references, and a matching medium or sheen is not established by the group label.
Closest Vallejo equivalent: Vallejo Grey Blue, some difference between the stored swatches (delta E 2.7).
Best Two Thin Coats option: Two Thin Coats Wolf Grey, similar digital colors (delta E 3.5).
From Green Stuff World: Green Stuff World Smoked Blue, some difference between the stored swatches (delta E 3.7).
AK Interactive's closest color: AK Interactive English Grey, a broader digital color reference (delta E 4.1).
In the digital values, Vallejo Grey Blue is slightly cooler and more saturated. Coat thickness, undercoat and finish can change the physical comparison.
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.
Vallejo
Two Thin Coats
Green Stuff World
AK Interactive
The Army Painter
Citadel
Tamiya
Monument Pro Acryl
Revell
About this color
Color profile
Highlight and shade ladder
Pairs well with
Match 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 Humbrol RAF Blue?
The leading match in the same broad paint-type group is Vallejo Grey Blue at 86% digital color similarity. Check sheen, medium and coverage before substituting.
What color is RAF Blue?
The approximate digital swatch for RAF Blue is a mid-tone muted blue with a cool undertone (hex #5D6D7E). It is not a physical paint measurement.
What do I highlight and shade RAF Blue with?
The digital catalog suggests testing Satin US Medium Grey for a lighter step and Slate Grey for a darker step, both from Humbrol. These are computed color suggestions, not tested layering recipes.