Color

#a666fa

#a666fa
hex#a666fa
rgbrgb(166, 102, 250)
hslhsl(266, 94%, 69%)
oklchoklch(0.649 0.213 300.5)
Closest name: Orion Nebula (#a55af4)Relative luminance 0.2451

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bafa66

#6670fa · #f066fa

#faa666 · #66faa6

Split-complementary

Open in tool →

#faf066 · #70fa66

#fa6670 · #bafa66 · #66faf0

Contrast

#a666fa as textRatioAAAA largeAAAFix
Aaon white
3.56:1failpassfail
  • AA: use #9548f9 as the text (4.59:1)
  • AAA: use #6d07f2 as the text (7.09:1)
  • AA: or shift the background to #212121 (4.53:1)
Aaon black
5.9:1passpassfail
  • AAA: use #b279fb 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 #a666fa 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

#a666fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a666fa
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 #a666fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a666fa-b29cc4-dfd74e-2b1f2d-e9eaf1?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