Color Information
HEX
#12309D
RGB
18, 48, 157
LAB
25.8, 33.3, -61.5
Product Code
A503
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Buy on AmazonClosest catalog-color match
Cobalt Teal by Golden (ΔE 3.6)
Compatibility unverified: application: both products not recorded or recognized; effect: both products not recorded or recognized; finish: both products not recorded or recognized; opacity: both products not recorded or recognized. ΔE 3.6 gives a moderate catalog color gap. Check product specifications before substituting.
Ultramarine Blue catalog data
More from ArtezaUltramarine Blue by Arteza (product code A503) is cataloged as acrylic, Acrylic Premium Paints in the blue color family.
Catalog color data: HEX #12309D, RGB 18/48/157, and CIELAB 25.8/33.3/-61.5. These values describe the listed digital color and can differ from dried paint under real-world lighting.
PaintAtlas lists 10 related catalog colors for this paint. ΔE measures the distance between the listed digital color values only; it does not describe opacity, finish behavior, or how the paint covers a surface. Cross-class matches, such as metallic against conventional paint, are shown as digital color only and are never presented as verified substitutes.
Closest catalog colors
Digital color matchesΔE compares the listed catalog color values only, not finish, opacity, or coverage.
Cross-brand catalog colors
Digital color matchesΔE compares the listed catalog color values only, not finish, opacity, or coverage.
Technical Color Analysis
Ultramarine Blue is a dark cool vibrant blue with dark value (L*: 25.8). This cool color has highly saturated saturation (chroma: 69.9), making it ideal for shadows and base layers and perfect for bold, eye-catching areas.
Dark
cool
Highly Saturated
Deep color ideal for shadow areas, recesses, and providing contrast against lighter tones.
Cool color that recedes visually. Creates depth and calm. Excellent for shadows when mixed with warm base tones.
Intense, eye-catching color. Use strategically for maximum impact on key areas.
Recommended Undercoats
Black or Dark Grey
Dark colors can use fewer coats over dark primers
Grey
Neutral option if you want slightly easier corrections
Layering & Paint Order Guide
Dark value works well for shadow glazes or shading recesses
Suggested Layer Progression
This paint works best as a shadow in your layering sequence.
Use Before (Shadows/Base)
Use After (Highlights)
Layering Tips
- Apply each layer to progressively smaller areas, leaving previous layers visible
- Maintain consistent light direction across all layers
- Thin paints for smoother transitions between layers