#00223D
Reaper

Ultramarine Shadow

Master Series Paints Core Colors

acrylic
blue

Color Information

HEX

#00223D

RGB

0, 34, 61

LAB

12.5, 0.2, -20.7

Product Code

9187

Closest catalog-color match

Turquoise (Phthalo) by Golden (ΔE 3.1)

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 3.1 gives a small catalog color gap. Check product specifications before substituting.

Cross-class catalog match

Blue Tone by Army Painter (ΔE 2.4)

purpose: paint vs wash. ΔE 2.4 gives a small catalog color gap. Color-only comparison, not a functional substitute.

Ultramarine Shadow catalog data

More from Reaper

Ultramarine Shadow by Reaper (product code 9187) is cataloged as acrylic, Master Series Paints Core Colors in the blue color family.

Catalog color data: HEX #00223D, RGB 0/34/61, and CIELAB 12.5/0.2/-20.7. These values describe the listed digital color and can differ from dried paint under real-world lighting.

PaintAtlas lists 16 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

Cross-brand catalog colors

Digital color matches

ΔE compares the listed catalog color values only, not finish, opacity, or coverage.

Technical Color Analysis

Ultramarine Shadow is a very dark cool blue with very dark value (L*: 12.5). This cool color has moderate saturation (chroma: 20.7), making it ideal for shadows and base layers.

LightnessL* 12.5

Very Dark

Temperaturecool

cool

SaturationC* 20.7

Moderate

Near-black color that absorbs most light. Excellent for deep shadows and void effects.

Cool color that recedes visually. Creates depth and calm. Excellent for shadows when mixed with warm base tones.

Balanced saturation suitable for most painting needs. Natural-looking without being dull.

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
90% confidence

Very dark value makes this ideal for deepest shadows and lining

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