Color

#671d96

#671d96
hex#671d96
rgbrgb(103, 29, 150)
hslhsl(277, 68%, 35%)
oklchoklch(0.414 0.184 307.7)
Closest name: Extraviolet (#661188)Relative luminance 0.0596

Colors that go with #671d96

Olive Green, Charcoal and Crimson 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 →

#4b961d

#2b1d96 · #961d88

#96671d · #1d9667

Split-complementary

Open in tool →

#88961d · #1d962b

#962b1d · #4b961d · #1d8896

Contrast

#671d96 as textRatioAAAA largeAAAFix
Aaon white
9.58:1passpasspassPasses AAA — no fix needed.
Aaon black
2.19:1failfailfail
  • AA: use #a54bdd as the text (4.65:1)
  • AAA: use #bc7ae6 as the text (7.06:1)
  • AA: or shift the background to #b3b3b3 (4.57:1)
  • AAA: or shift the background to #dedede (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #671d96 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

#671d96 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #671d96
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 #671d96 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/671d96-b99cc4-bdcb62-2d1f2c-eae9f1?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