Color

#a651fb

#a651fb
hex#a651fb
rgbrgb(166, 81, 251)
hslhsl(270, 96%, 65%)
oklchoklch(0.623 0.241 302.8)
Closest name: Orion Nebula (#a55af4)Relative luminance 0.2096

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a6fb50

#5050fb · #fb50fb

#fba650 · #50fba6

Split-complementary

Open in tool →

#fbfb50 · #50fb50

#fb5050 · #a6fb50 · #50fbfb

Contrast

#a651fb as textRatioAAAA largeAAAFix
Aaon white
4.05:1failpassfail
  • AA: use #9e41fb as the text (4.56:1)
  • AAA: use #7505e6 as the text (7.19:1)
  • AA: or shift the background to #141414 (4.55:1)
Aaon black
5.19:1passpassfail
  • AAA: use #ba78fc as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a651fb as the background.

Brands using this color

Fonts for this mood

#a651fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a651fb
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 #a651fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a651fb-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