Color

#673c72

#673c72
hex#673c72
rgbrgb(103, 60, 114)
hslhsl(288, 31%, 34%)
oklchoklch(0.43 0.1 319.2)
Closest name: Majesty (#673e6e)Relative luminance 0.0733

Colors that go with #673c72

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 →

#47723c

#4c3c72 · #723c61

#72673c · #3c7267

Split-complementary

Open in tool →

#61723c · #3c724c

#724c3c · #47723c · #3c6172

Contrast

#673c72 as textRatioAAAA largeAAAFix
Aaon white
8.52:1passpasspassPasses AAA — no fix needed.
Aaon black
2.47:1failfailfail
  • AA: use #9b5fab as the text (4.62:1)
  • AAA: use #b487c0 as the text (7.17:1)
  • AA: or shift the background to #bdbdbd (4.53:1)
  • AAA: or shift the background to #ebebeb (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #673c72 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 #673c72
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 #673c72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/673c72-be9fc1-aacb62-2d1f2a-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