Color

#a81aea

#a81aea
hex#a81aea
rgbrgb(168, 26, 234)
hslhsl(281, 83%, 51%)
oklchoklch(0.568 0.274 310.4)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.15

Colors that go with #a81aea

Olive Drab, 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5cea1a

#401aea · #ea1ac4

#eaa81a · #1aeaa8

Split-complementary

Open in tool →

#c4ea1a · #1aea40

#ea401a · #5cea1a · #1ac4ea

Contrast

#a81aea as textRatioAAAA largeAAAFix
Aaon white
5.25:1passpassfail
Aaon black
4:1failpassfail
  • AA: use #b132ec as the text (4.54:1)
  • AAA: use #ca73f2 as the text (7.25:1)
  • AA: or shift the background to #f0f0f0 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a81aea 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

#a81aea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a81aea
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 #a81aea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a81aea-ba9fc1-b6cb62-2d1f2c-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