Color

#a557cb

#a557cb
hex#a557cb
rgbrgb(165, 87, 203)
hslhsl(280, 53%, 57%)
oklchoklch(0.598 0.183 313.2)
Closest name: Legendary Lavender (#9d61d4)Relative luminance 0.1913

Colors that go with #a557cb

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 →

#7ecb57

#6b57cb · #cb57b8

#cba557 · #57cba5

Split-complementary

Open in tool →

#b8cb57 · #57cb6b

#cb6b57 · #7ecb57 · #57b8cb

Contrast

#a557cb as textRatioAAAA largeAAAFix
Aaon white
4.35:1failpassfail
  • AA: use #a353ca as the text (4.52:1)
  • AAA: use #8134a8 as the text (7.02:1)
  • AA: or shift the background to #0a0a0a (4.55:1)
Aaon black
4.83:1passpassfail
  • AAA: use #ba7ed7 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a557cb 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

#a557cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a557cb
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 #a557cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a557cb-b99fc1-b8cb62-2d1f2c-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