Color

#a511e4

#a511e4
hex#a511e4
rgbrgb(165, 17, 228)
hslhsl(282, 86%, 48%)
oklchoklch(0.556 0.273 311)
Closest name: Ferocious Fuchsia (#aa00cc)Relative luminance 0.14

Colors that go with #a511e4

Olive Drab, Charcoal and Teal 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 →

#50e411

#3b11e4 · #e411ba

#e4a511 · #11e4a5

Split-complementary

Open in tool →

#bae411 · #11e43b

#e43b11 · #50e411 · #11bae4

Contrast

#a511e4 as textRatioAAAA largeAAAFix
Aaon white
5.53:1passpassfail
  • AAA: use #8d0fc2 as the text (7.05:1)
Aaon black
3.8:1failpassfail
  • AA: use #b42aef as the text (4.52:1)
  • AAA: use #cd71f4 as the text (7.26:1)
  • AA: or shift the background to #e8e8e8 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a511e4 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

#a511e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a511e4
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 #a511e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a511e4-ba9fc1-b4cb62-2d1f2b-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