Color

#673d6b

#673d6b
hex#673d6b
rgbrgb(103, 61, 107)
hslhsl(295, 27%, 33%)
oklchoklch(0.428 0.09 323.8)
Closest name: Majesty (#673e6e)Relative luminance 0.0728

Colors that go with #673d6b

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 #673d6b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#416b3d

#503d6b · #6b3d58

#6b673d · #3d6b67

Split-complementary

Open in tool →

#586b3d · #3d6b50

#6b503d · #416b3d · #3d586b

Contrast

#673d6b as textRatioAAAA largeAAAFix
Aaon white
8.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.46:1failfailfail
  • AA: use #9c5da2 as the text (4.5:1)
  • AAA: use #b687ba as the text (7.16:1)
  • AA: or shift the background to #bdbdbd (4.55:1)
  • AAA: or shift the background to #ebebeb (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #673d6b 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 #673d6b
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 #673d6b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/673d6b-c19fbf-9dcb62-2d1f28-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