Indigo
SW 6531 · Sherwin-Williams
Indigo SW 6531 as a flat swatch, not a painted room
Sherwin-Williams
Indigo
SW 6531
Strong blue, a cool color
- Color family
- Purple
- Sold for
- Interior and exterior
Sherwin-Williams Indigo SW 6531 is a very dark purple paint color, a strong, saturated color rather than a neutral, leaning blue, with an LRV of 7, close to black on a wall.
Source: Sherwin-Williams's color data. Undertone labels describe our calculation, not the paint formula or a test in your room. How we assess colors.
Is Indigo warm or cool? Undertones by the numbers
leans blue
Undertone
Strong blue
A strong color.
Try Indigo on your own walls
Upload a photo of your room, or the outside of your house, and TryMyHome renders Indigo onto the walls for an illustrative preview beside your floors and furniture. Confirm the color with a physical sample. Your first 3 renders are free.
Get a sample before you paint
Use the visualizer to narrow your shortlist, then confirm the finalist on your actual wall. A peel-and-stick sample of Indigo, checked in morning and evening light, is the last step before a gallon.
- Made with real paint
- Delivered next day
- Peels off clean

Trim, ceiling and coordinating colors for Indigo
Colors lighter than Indigo
Colors similar to Indigo
Closest matches for Indigo in other brands
These are the closest digital colors in our catalog, not equivalent paint formulas or touch-up substitutes. Compare physical samples in the same finish before choosing. See the comparison method.