In the pot, Sea Blue reads as a cool blue, very dark and vivid. Matching it is straightforward: Revell Dark Blue (RAL 5013) lands at 94 percent in the same finish, and 7 brands in all carry a close same-finish swap. Within the Humbrol range it ladders cleanly, Lufthansa Blue for the shadows and Black Grey for the highlights. In practice you can substitute across brands here without anyone noticing at arm's length.
Sea Blue equivalents, brand by brand
2 of the 10 brands with a mapped match get genuinely close to Humbrol Sea Blue, though none is a clone. Brand by brand, the nearest colors are:
- Closest Revell equivalent: Revell Dark Blue (RAL 5013), a swap nobody spots at arm's length (delta E 1.3).
- Nearest in the Tamiya catalog: Tamiya Dark Blue, a near match with visible drift up close (delta E 2.3).
- Best The Army Painter option: The Army Painter Triumphant Navy, close, with a hint of drift side by side (delta E 2.8).
- From Citadel: Citadel Night Lords Blue, a near match with visible drift up close (delta E 2.8).
- AK Interactive's closest color: AK Interactive Deep Blue, close, with a hint of drift side by side (delta E 3.4).
- Nearest in the P3 Paints catalog: P3 Paints Caspian Blue, a near match with visible drift up close (delta E 3.9).
We checked the Lab numbers for a hidden catch and there is none: lightness and temperature both line up, so this swap is as safe as they come.
How to read the score
90+Close
80sUsable
<70Mix
Revell
Tamiya
The Army Painter
Citadel
AK Interactive
P3 Paints
Vallejo
Green Stuff World
Scale75
Monument Pro Acryl
About this color
Color profile
Highlight and shade ladder
Pairs well with
Try any paint in the scheme toolMatch difficulty
Found in 7 other brands with a same-finish match.
Where painters use it
Frequently asked
What is the closest equivalent to Humbrol Sea Blue?
The closest same-finish match is Revell Dark Blue (RAL 5013) at 94% color similarity.
Is there a The Army Painter equivalent of Sea Blue?
Yes. The closest The Army Painter option is Triumphant Navy at 86%, a same-finish match.
What color is Sea Blue?
Sea Blue is a very dark vivid blue with a cool undertone (hex #112E51).
What do I highlight and shade Sea Blue with?
Highlight Sea Blue toward Black Grey and shade it down into Lufthansa Blue, both Humbrol paints in the same finish family.