Color

#681fad

#681fad
hex#681fad
rgbrgb(104, 31, 173)
hslhsl(271, 70%, 40%)
oklchoklch(0.437 0.204 301.1)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0694

Colors that go with #681fad

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 →

#64ad1f

#211fad · #ad1fab

#ad681f · #1fad68

Split-complementary

Open in tool →

#abad1f · #1fad21

#ad211f · #64ad1f · #1fabad

Contrast

#681fad as textRatioAAAA largeAAAFix
Aaon white
8.79:1passpasspassPasses AAA — no fix needed.
Aaon black
2.39:1failfailfail
  • AA: use #9b52e0 as the text (4.68:1)
  • AAA: use #b47de8 as the text (7.04:1)
  • AA: or shift the background to #bababa (4.53:1)
  • AAA: or shift the background to #e6e6e6 (7.05:1)

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

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

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

tool url/palettes/new/681fad-b59cc4-c7cb62-2c1f2d-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