Color

#670b89

#670b89
hex#670b89
rgbrgb(103, 11, 137)
hslhsl(284, 85%, 29%)
oklchoklch(0.392 0.186 313.5)
Closest name: Extraviolet (#661188)Relative luminance 0.0493

Colors that go with #670b89

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 →

#2d890b

#280b89 · #890b6b

#89670b · #0b8967

Split-complementary

Open in tool →

#6b890b · #0b8928

#89280b · #2d890b · #0b6b89

Contrast

#670b89 as textRatioAAAA largeAAAFix
Aaon white
10.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.99:1failfailfail
  • AA: use #b826ed as the text (4.54:1)
  • AAA: use #cf6df3 as the text (7.13:1)
  • AA: or shift the background to #ababab (4.61:1)
  • AAA: or shift the background to #d4d4d4 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #670b89 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

#670b89 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #670b89
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 #670b89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/670b89-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