#2A404D
Foundry

Union Blue

Foundry Paint System

dry
blue

Color Information

HEX

#2A404D

RGB

42, 64, 77

LAB

25.8, -4.6, -10.6

Product Code

111B

Closest catalog-color match

Prussian Blue / Blue Tank Crew Lights -74- by AK Interactive (ΔE 3.0)

Compatibility unverified: chemistry: source not recorded or recognized; 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 3.0 gives a small catalog color gap. Check product specifications before substituting.

Cross-class catalog match

Tyrian Navy by Army Painter (ΔE 0.8)

purpose: paint vs contrast. ΔE 0.8 gives nearly equal catalog color values. Color-only comparison, not a functional substitute.

Union Blue catalog data

More from Foundry

Union Blue by Foundry (product code 111B) is cataloged as dry, Foundry Paint System in the blue color family.

Catalog color data: HEX #2A404D, RGB 42/64/77, and CIELAB 25.8/-4.6/-10.6. These values describe the listed digital color and can differ from dried paint under real-world lighting.

PaintAtlas lists 20 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.

How PaintAtlas computes ΔE and catalog matches

How to choose a paint substitute

Technical Color Analysis

Union Blue is a dark blue with dark value (L*: 25.8). This cool color has muted saturation (chroma: 11.6), making it ideal for shadows and base layers and great for realistic, weathered effects.

LightnessL* 25.8

Dark

Temperaturecool

cool

SaturationC* 11.6

Muted

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.

Subtle, understated color. Excellent for realistic effects, weathering, and natural materials.

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

Shadow Paint
70% confidence

Dark value works well for shadow glazes or shading recesses

Suggested Layer Progression

Shadow
Base
Layer
Highlight

This paint works best as a shadow in your layering sequence.

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