Color

#673d6c

#673d6c
hex#673d6c
rgbrgb(103, 61, 108)
hslhsl(294, 28%, 33%)
oklchoklch(0.429 0.091 323.1)
Closest name: Majesty (#673e6e)Relative luminance 0.073

Colors that go with #673d6c

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.

Real palettes that use #673d6c

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#416c3d

#4f3d6c · #6c3d59

#6c673d · #3d6c67

Split-complementary

Open in tool →

#596c3d · #3d6c4f

#6c4f3d · #416c3d · #3d596c

Contrast

#673d6c as textRatioAAAA largeAAAFix
Aaon white
8.53:1passpasspassPasses AAA — no fix needed.
Aaon black
2.46:1failfailfail
  • AA: use #9e5fa5 as the text (4.63:1)
  • AAA: use #b686bb as the text (7.12:1)
  • AA: or shift the background to #bdbdbd (4.54:1)
  • AAA: or shift the background to #ebebeb (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #673d6c 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 #673d6c
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 #673d6c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/673d6c-c19fc0-9fcb62-2d1f29-ede9f1?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