Color

#8181fe

#8181fe
hex#8181fe
rgbrgb(129, 129, 254)
hslhsl(240, 98%, 75%)
oklchoklch(0.663 0.181 280.3)
Closest name: Orchid (#7a81ff)Relative luminance 0.2752

Colors that go with #8181fe

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 →

#fefe81

#81bffe · #bf81fe

#fe8181 · #81fe81

Split-complementary

Open in tool →

#febf81 · #bffe81

#fe81bf · #fefe81 · #81febf

Contrast

#8181fe as textRatioAAAA largeAAAFix
Aaon white
3.23:1failpassfail
  • AA: use #5d5dfd as the text (4.72:1)
  • AAA: use #3030fd as the text (7.08:1)
  • AA: or shift the background to #292929 (4.51:1)
Aaon black
6.5:1passpassfail
  • AAA: use #8b8bfe as the text (7.22:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/8181fe-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