Color

#681c92

#681c92
hex#681c92
rgbrgb(104, 28, 146)
hslhsl(279, 68%, 34%)
oklchoklch(0.412 0.181 309.7)
Closest name: Extraviolet (#661188)Relative luminance 0.0585

Colors that go with #681c92

Olive Drab, 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 →

#45921c

#2d1c92 · #921c80

#92681c · #1c9268

Split-complementary

Open in tool →

#80921c · #1c922d

#922d1c · #45921c · #1c8092

Contrast

#681c92 as textRatioAAAA largeAAAFix
Aaon white
9.68:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #a847dc as the text (4.6:1)
  • AAA: use #c07ae6 as the text (7.17:1)
  • AA: or shift the background to #b3b3b3 (4.62:1)
  • AAA: or shift the background to #dedede (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #681c92 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

#681c92 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #681c92
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 #681c92 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/681c92-b99fc1-b9cb62-2d1f2c-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