Color

#a661ea

#a661ea
hex#a661ea
rgbrgb(166, 97, 234)
hslhsl(270, 77%, 65%)
oklchoklch(0.632 0.202 304.5)
Closest name: Orion Nebula (#a55af4)Relative luminance 0.226

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a6ea61

#6161ea · #ea61ea

#eaa661 · #61eaa6

Split-complementary

Open in tool →

#eaea61 · #61ea61

#ea6161 · #a6ea61 · #61eaea

Contrast

#a661ea as textRatioAAAA largeAAAFix
Aaon white
3.8:1failpassfail
  • AA: use #994ae8 as the text (4.67:1)
  • AAA: use #7a1cd9 as the text (7.01:1)
  • AA: or shift the background to #1a1a1a (4.57:1)
Aaon black
5.52:1passpassfail
  • AAA: use #b57cee as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a661ea 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

#a661ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a661ea
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 #a661ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a661ea-b59cc4-c9cb62-2c1f2d-eae9f1?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