# Indigo SW 6531

- Brand: Sherwin-Williams
- Code: SW 6531
- Hex: #2F4671 (manufacturer-published)
- LRV: 6.18 (computed)
- Undertone: blue-leaning (cool, clear)
- Family: blacks
- Chroma: 0.0786 · Hue angle: 262.1°

Near-total absorption. Shows every surface flaw, so prep matters more than the colour choice.

Exterior: Highest heat gain and fade risk. Confirm the substrate is rated for it.

Screen colour is approximate. Obtain a physical sample before specifying.
Methodology: https://paintingmania.shop/color-methodology/