Color

#681ad5

#681ad5
hex#681ad5
rgbrgb(104, 26, 213)
hslhsl(265, 78%, 47%)
oklchoklch(0.471 0.246 292.3)
Closest name: Hokkaido Lavender (#7736d9)Relative luminance 0.0849

Colors that go with #681ad5

Olive Green, Charcoal and Denim 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.

Real palettes that use #681ad5

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#87d51a

#1a2ad5 · #c61ad5

#d5681a · #1ad568

Split-complementary

Open in tool →

#d5c61a · #2ad51a

#d51a2a · #87d51a · #1ad5c6

Contrast

#681ad5 as textRatioAAAA largeAAAFix
Aaon white
7.79:1passpasspassPasses AAA — no fix needed.
Aaon black
2.7:1failfailfail
  • AA: use #9253ea as the text (4.65:1)
  • AAA: use #ae80ef as the text (7.13:1)
  • AA: or shift the background to #c7c7c7 (4.61:1)
  • AAA: or shift the background to #f5f5f5 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #681ad5 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

#681ad5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #681ad5
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 #681ad5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/681ad5-b19cc4-dfd54e-2b1f2d-e9eaf1?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