Color

#683786

#683786
hex#683786
rgbrgb(104, 55, 134)
hslhsl(277, 42%, 37%)
oklchoklch(0.435 0.133 310.7)
Closest name: Galactic Grapevine (#6b327b)Relative luminance 0.074

Colors that go with #683786

Charcoal, Tomato and Dark Olive Green 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 →

#558637

#403786 · #86377d

#866837 · #378668

Split-complementary

Open in tool →

#7d8637 · #378640

#864037 · #558637 · #377d86

Contrast

#683786 as textRatioAAAA largeAAAFix
Aaon white
8.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.48:1failfailfail
  • AA: use #975cbc as the text (4.57:1)
  • AAA: use #b184cd as the text (7.05:1)
  • AA: or shift the background to #bdbdbd (4.51:1)
  • AAA: or shift the background to #ebebeb (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #683786 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

#683786 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #683786
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 #683786 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/683786-b99cc4-bdcb62-2d1f2c-eae9f1?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