The leading same-type candidate, Citadel Thousand Sons Blue, scores 87 percent digital color similarity, below our close-color tier. The stored digital swatch for Sea Blue is a dark vivid blue with a cool undertone. Digital color suggestions within Humbrol are Tarmac for a darker step and WW1 Blue for a lighter step. Check the candidate's medium and sheen, then compare dried test patches over the same undercoat.
Sea Blue equivalents in other ranges
Review paint type as well as the color score for Sea Blue. These are approximate digital references, and a matching medium or sheen is not established by the group label.
Closest Citadel equivalent: Citadel Thousand Sons Blue, some difference between the stored swatches (delta E 2.6).
The Army Painter's closest color: The Army Painter Abyssal Blue, similar digital colors (delta E 3.5).
Nearest in the Revell catalog: Revell 351 Grünblau (RAL 5001), some difference between the stored swatches (delta E 3.5).
Best Scale75 option: Scale75 Cantabric Blue, similar digital colors (delta E 3.8).
The stored colors differ by delta E 2.6 without a dominant lightness, warmth or saturation shift under our display rules. This describes the digital values, not the appearance of dried paint.
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.
Citadel
The Army Painter
Revell
Scale75
Vallejo
P3 Paints
Monument Pro Acryl
AK Interactive
Green Stuff World
Two Thin Coats
Tamiya
About this color
Color profile
Highlight and shade ladder
Pairs well with
Try any paint in the scheme toolMatch difficulty
Found in 4 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 Sea Blue?
The leading match in the same broad paint-type group is Citadel Thousand Sons Blue at 87% digital color similarity. Check sheen, medium and coverage before substituting.
What color is Sea Blue?
The approximate digital swatch for Sea Blue is a dark vivid blue with a cool undertone (hex #004B6E). It is not a physical paint measurement.