Color

#a663fd

#a663fd
hex#a663fd
rgbrgb(166, 99, 253)
hslhsl(266, 97%, 69%)
oklchoklch(0.647 0.22 300.4)
Closest name: Orion Nebula (#a55af4)Relative luminance 0.2412

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bafd63

#636dfd · #f263fd

#fda663 · #63fda6

Split-complementary

Open in tool →

#fdf263 · #6dfd63

#fd636d · #bafd63 · #63fdf2

Contrast

#a663fd as textRatioAAAA largeAAAFix
Aaon white
3.61:1failpassfail
  • AA: use #9445fc as the text (4.65:1)
  • AAA: use #6d04f6 as the text (7:1)
  • AA: or shift the background to #1f1f1f (4.57:1)
Aaon black
5.82:1passpassfail
  • AAA: use #b47cfd as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a663fd 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

#a663fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a663fd
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 #a663fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a663fd-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