What is the difference between Ultramarine Blue and Royal Blue?

ΔE 19 (loose). Royal Blue is much more saturated, warmer. Swatch colours are estimates.

Ultramarine Blue vs Royal Blue

Ultramarine Blue

Brand: AK Interactive
Range: AK Quick Gen
Code: AK17027
Type: an opaque base/layer paint
Swatch: #2e476a (estimate)

Royal Blue

Brand: Vallejo
Range: Model Color
Code: 70.809
Type: an opaque base/layer paint
Swatch: #264a8b (estimate)

How close are they?

ΔE 19.0, loose: different enough that you should pick on purpose. Royal Blue is much more saturated, warmer than Ultramarine Blue.

Can I use Royal Blue instead of Ultramarine Blue?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Royal Blue is much more saturated, warmer than Ultramarine Blue.

Can I use Ultramarine Blue instead of Royal Blue?

The same difference applies the other way round: Ultramarine Blue is much more muted, cooler.

ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.

See Ultramarine Blue on the colour wheel See Royal Blue on the colour wheel

Other Vallejo paints close to Ultramarine Blue

Ultramarine Blue vs Prussian Blue (70.965)Model Color · ΔE 3, very close · closer than Royal Blue
Ultramarine Blue vs Dark Blue RLM24 (71.266)Model Air · ΔE 5, very close · closer than Royal Blue
Ultramarine Blue vs Blue (71.004)Model Air · ΔE 6, close · closer than Royal Blue

Other AK Interactive paints close to Royal Blue

Royal Blue vs Power Blue (AK17026)AK Quick Gen · ΔE 10, fair · closer than Ultramarine Blue
Royal Blue vs Necromancer Purple (AK17005)AK Quick Gen · ΔE 15, fair · closer than Ultramarine Blue
Royal Blue vs Clear Blue (AK11214)3rd Gen Standard · ΔE 17, loose · closer than Ultramarine Blue

All matches: Ultramarine Blue equivalents · Royal Blue equivalents