Code HC-154 (Hale Navy) reflects 6.86% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Hale Navy (HC-154) registers J'=33.7, a'=-2.41, and b'=-8.94 with HSL (215°, 12%, 30%) and Helmholtz-Kohlrausch perceived value 32.4 L*_HK. Because HC-154 carries a*=-0.48 red-green and b*=-7.58 yellow-blue balance at chroma C*=7.6, Hale Navy projects a cool cool violet-grey character across drywall and millwork.
Thermal lighting shifts Benjamin Moore HC-154 predictably. Under 5000K noon daylight, Hale Navy (HC-154) holds its native #464A52 swatch; at 4000K cool office LED, HC-154 adapts to #494A4E; at 3500K halogen, Hale Navy transitions to #4B4A4C; at 3000K residential LED, HC-154 warms to #4E494A; and under 2700K evening bulbs, Hale Navy (HC-154) settles at #504848.
When cross-matching Benjamin Moore Hale Navy (HC-154, #434B56), Behr Secret Society (MQ5-10, #464E5A, LRV 7%) scores ΔE2000=1.17 and CAM16=1.45, followed by Dark Night (PPF-58, ΔE=1.28). In Sherwin-Williams, Charcoal Blue (SW 2739, #3D4450, LRV 5.67%) achieves ΔE2000=2.47 ahead of Sea Serpent (SW 7615, ΔE=3.08). Coordinate HC-154 with Ice Mist (2123-70) ceilings, Chalk White (2126-70) trim, Oxford Gray (2128-40) hallways, and Spring Flowers (1430) accents.