Color

#831179

#831179
hex#831179
rgbrgb(131, 17, 121)
hslhsl(305, 77%, 29%)
oklchoklch(0.428 0.18 332.5)
Closest name: purple (#800080)Relative luminance 0.0661

Colors that go with #831179

Sea Green, Charcoal and Denim lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#11831a

#531183 · #831140

#798311 · #117983

Split-complementary

Open in tool →

#408311 · #118353

#835311 · #11831a · #114083

Contrast

#831179 as textRatioAAAA largeAAAFix
Aaon white
9.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.32:1failfailfail
  • AA: use #d01bc1 as the text (4.61:1)
  • AAA: use #ea5dde as the text (7.12:1)
  • AA: or shift the background to #b8b8b8 (4.56:1)
  • AAA: or shift the background to #e3e3e3 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #831179 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#831179 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #831179
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #831179 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/831179-c19fba-8ccb62-2d1f26-eee9f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md