Color

#810366

#810366
hex#810366
rgbrgb(129, 3, 102)
hslhsl(313, 95%, 26%)
oklchoklch(0.408 0.175 340.4)
Closest name: Grapest (#880066)Relative luminance 0.0569

Colors that go with #810366

Sea Green, Charcoal and Teal 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 →

#03811f

#5e0381 · #810327

#668103 · #036681

Split-complementary

Open in tool →

#278103 · #03815e

#815e03 · #03811f · #032781

Contrast

#810366 as textRatioAAAA largeAAAFix
Aaon white
9.82:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #db06ad as the text (4.64:1)
  • AAA: use #fa4cd5 as the text (7.06:1)
  • AA: or shift the background to #b0b0b0 (4.53:1)
  • AAA: or shift the background to #dbdbdb (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #810366 as the background.

Brands using this color

Fonts for this mood

#810366 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #810366
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 #810366 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/810366-c19fb5-7ecb62-2d1f24-efe9f1?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