Color

#8181fd

#8181fd
hex#8181fd
rgbrgb(129, 129, 253)
hslhsl(240, 97%, 75%)
oklchoklch(0.663 0.18 280.3)
Closest name: Orchid (#7a81ff)Relative luminance 0.2746

Colors that go with #8181fd

Amber, Blue and Deep Sky Blue 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 →

#fdfd81

#81bffd · #bf81fd

#fd8181 · #81fd81

Split-complementary

Open in tool →

#fdbf81 · #bffd81

#fd81bf · #fdfd81 · #81fdbf

Contrast

#8181fd as textRatioAAAA largeAAAFix
Aaon white
3.23:1failpassfail
  • AA: use #5e5efd as the text (4.67:1)
  • AAA: use #3131fc as the text (7.06:1)
  • AA: or shift the background to #262626 (4.68:1)
Aaon black
6.49:1passpassfail
  • AAA: use #8b8bfd as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8181fd as the background.

Brands using this color

Fonts for this mood

#8181fd reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8181fd
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 #8181fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8181fd-a19cc4-df994e-251f2d-e9edf1?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