Color

#684d89

#684d89
hex#684d89
rgbrgb(104, 77, 137)
hslhsl(267, 28%, 42%)
oklchoklch(0.475 0.098 303.6)
Closest name: Grapes of Italy (#714a8b)Relative luminance 0.1006

Colors that go with #684d89

Charcoal, Sea Green and Blue 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 →

#6e894d

#4d5089 · #864d89

#89684d · #4d8968

Split-complementary

Open in tool →

#89864d · #50894d

#894d50 · #6e894d · #4d8986

Contrast

#684d89 as textRatioAAAA largeAAAFix
Aaon white
6.97:1passpassfail
  • AAA: use #664b86 as the text (7.2:1)
Aaon black
3.01:1failpassfail
  • AA: use #8669ab as the text (4.62:1)
  • AAA: use #a38dbf as the text (7.12:1)
  • AA: or shift the background to #d1d1d1 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #684d89 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 #684d89
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 #684d89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/684d89-b39cc4-dfda4e-2c1f2d-e9eaf1?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