Color

#a551cd

#a551cd
hex#a551cd
rgbrgb(165, 81, 205)
hslhsl(281, 55%, 56%)
oklchoklch(0.591 0.194 313.3)
Closest name: Legendary Lavender (#9d61d4)Relative luminance 0.1829

Colors that go with #a551cd

Olive Drab, Sea Green and Charcoal 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 →

#78cd51

#6851cd · #cd51b6

#cda551 · #51cda5

Split-complementary

Open in tool →

#b6cd51 · #51cd68

#cd6851 · #78cd51 · #51b6cd

Contrast

#a551cd as textRatioAAAA largeAAAFix
Aaon white
4.51:1passpassfail
  • AAA: use #8130a6 as the text (7.22:1)
Aaon black
4.66:1passpassfail
  • AAA: use #bc7dd9 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a551cd 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

#a551cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a551cd
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 #a551cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a551cd-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