Color

#681d55

#681d55
hex#681d55
rgbrgb(104, 29, 85)
hslhsl(315, 56%, 26%)
oklchoklch(0.372 0.126 339.6)
Closest name: Opulent Purple (#673362)Relative luminance 0.0448

Colors that go with #681d55

Sea Green, Cream 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 →

#1d6730

#551d67 · #671d30

#55671d · #1d5567

Split-complementary

Open in tool →

#30671d · #1d6755

#67551d · #1d6730 · #1d3067

Contrast

#681d55 as textRatioAAAA largeAAAFix
Aaon white
11.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #c738a3 as the text (4.52:1)
  • AAA: use #d874bf as the text (7.17:1)
  • AA: or shift the background to #a6a6a6 (4.55:1)
  • AAA: or shift the background to #cfcfcf (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #681d55 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

#681d55 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #681d55
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 #681d55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/681d55-c19fb4-7bcb62-2d1f24-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