Color

#a555ce

#a555ce
hex#a555ce
rgbrgb(165, 85, 206)
hslhsl(280, 55%, 57%)
oklchoklch(0.597 0.189 312.6)
Closest name: Legendary Lavender (#9d61d4)Relative luminance 0.1895

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7dce55

#6955ce · #ce55ba

#cea555 · #55cea5

Split-complementary

Open in tool →

#bace55 · #55ce69

#ce6955 · #7dce55 · #55bace

Contrast

#a555ce as textRatioAAAA largeAAAFix
Aaon white
4.38:1failpassfail
  • AA: use #a351cd as the text (4.55:1)
  • AAA: use #8231aa as the text (7.07:1)
  • AA: or shift the background to #0a0a0a (4.52:1)
Aaon black
4.79:1passpassfail
  • AAA: use #ba7dd9 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a555ce 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

#a555ce reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a555ce
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #a555ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a555ce-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