Color

#811efa

#811efa
hex#811efa
rgbrgb(129, 30, 250)
hslhsl(267, 96%, 55%)
oklchoklch(0.537 0.28 294.4)
Closest name: Poisoning Purple (#7f01fe)Relative luminance 0.125

Tints & shades

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

Harmonies

Complementary

Open in tool →

#97fa1e

#1e29fa · #ef1efa

#fa811e · #1efa81

Split-complementary

Open in tool →

#faef1e · #29fa1e

#fa1e29 · #97fa1e · #1efaef

Contrast

#811efa as textRatioAAAA largeAAAFix
Aaon white
6:1passpassfail
  • AAA: use #6f05f0 as the text (7.1:1)
Aaon black
3.5:1failpassfail
  • AA: use #9846fb as the text (4.6:1)
  • AAA: use #b478fc as the text (7.03:1)
  • AA: or shift the background to #e0e0e0 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #811efa as the background.

Brands using this color

Fonts for this mood

#811efa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #811efa
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 #811efa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/811efa-b39cc4-dfda4e-2c1f2d-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