Color

#673370

#673370
hex#673370
rgbrgb(103, 51, 112)
hslhsl(291, 37%, 32%)
oklchoklch(0.414 0.114 321.5)
Closest name: Plum (#66386a)Relative luminance 0.0642

Colors that go with #673370

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 →

#3c7033

#493370 · #70335b

#706733 · #337067

Split-complementary

Open in tool →

#5b7033 · #337049

#704933 · #3c7033 · #335b70

Contrast

#673370 as textRatioAAAA largeAAAFix
Aaon white
9.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #a457b2 as the text (4.58:1)
  • AAA: use #bb81c5 as the text (7.06:1)
  • AA: or shift the background to #b8b8b8 (4.63:1)
  • AAA: or shift the background to #e3e3e3 (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 #673370 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

#673370 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #673370
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 #673370 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/673370-bf9fc1-a4cb62-2d1f29-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