Color

#8100cc

#8100cc
hex#8100cc
rgbrgb(129, 0, 204)
hslhsl(278, 100%, 40%)
oklchoklch(0.483 0.251 304.8)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.0903

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4bcc00

#1b00cc · #cc00b1

#cc8100 · #00cc81

Split-complementary

Open in tool →

#b1cc00 · #00cc1b

#cc1b00 · #4bcc00 · #00b1cc

Contrast

#8100cc as textRatioAAAA largeAAAFix
Aaon white
7.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #af24ff as the text (4.52:1)
  • AAA: use #c96bff as the text (7.03:1)
  • AA: or shift the background to #c9c9c9 (4.52:1)
  • AAA: or shift the background to #fafafa (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8100cc 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

#8100cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8100cc
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 #8100cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8100cc-ba9cc4-bbcb62-2d1f2c-ebe9f1?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