Color

#a111e4

#a111e4
hex#a111e4
rgbrgb(161, 17, 228)
hslhsl(281, 86%, 48%)
oklchoklch(0.551 0.272 309.8)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1358

Colors that go with #a111e4

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 →

#54e411

#3811e4 · #e411bd

#e4a111 · #11e4a1

Split-complementary

Open in tool →

#bde411 · #11e438

#e43811 · #54e411 · #11bde4

Contrast

#a111e4 as textRatioAAAA largeAAAFix
Aaon white
5.65:1passpassfail
  • AAA: use #8a0fc2 as the text (7.17:1)
Aaon black
3.72:1failpassfail
  • AA: use #b22eef as the text (4.53:1)
  • AAA: use #cb71f4 as the text (7.21:1)
  • AA: or shift the background to #e6e6e6 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a111e4 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

#a111e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a111e4
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 #a111e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a111e4-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