Color

#683871

#683871
hex#683871
rgbrgb(104, 56, 113)
hslhsl(291, 34%, 33%)
oklchoklch(0.424 0.106 321.1)
Closest name: Plum (#66386a)Relative luminance 0.0696

Colors that go with #683871

Charcoal, Sea Green 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 →

#407138

#4c3871 · #71385d

#716838 · #387168

Split-complementary

Open in tool →

#5d7138 · #38714c

#714c38 · #407138 · #385d71

Contrast

#683871 as textRatioAAAA largeAAAFix
Aaon white
8.78:1passpasspassPasses AAA — no fix needed.
Aaon black
2.39:1failfailfail
  • AA: use #a25bae as the text (4.64:1)
  • AAA: use #b984c2 as the text (7.14:1)
  • AA: or shift the background to #bababa (4.52:1)
  • AAA: or shift the background to #e6e6e6 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #683871 as the background.

Brands using this color

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

mcpConnect your agent — build around #683871
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 #683871 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/683871-bf9fc1-a4cb62-2d1f29-ece9f1?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