Color

#671c82

#671c82
hex#671c82
rgbrgb(103, 28, 130)
hslhsl(284, 65%, 31%)
oklchoklch(0.398 0.166 315.2)
Closest name: Extraviolet (#661188)Relative luminance 0.0533

Colors that go with #671c82

Forest Green, Charcoal and Tomato 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 →

#37821c

#341c82 · #821c6a

#82671c · #1c8267

Split-complementary

Open in tool →

#6a821c · #1c8234

#82341c · #37821c · #1c6a82

Contrast

#671c82 as textRatioAAAA largeAAAFix
Aaon white
10.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.07:1failfailfail
  • AA: use #af42d7 as the text (4.58:1)
  • AAA: use #c678e2 as the text (7.19:1)
  • AA: or shift the background to #adadad (4.53:1)
  • AAA: or shift the background to #d9d9d9 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #671c82 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

#671c82 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #671c82
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 #671c82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/671c82-bc9fc1-b1cb62-2d1f2b-ebe9f1?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