Color

#6818fb

#6818fb
hex#6818fb
rgbrgb(104, 24, 251)
hslhsl(261, 97%, 54%)
oklchoklch(0.509 0.283 286.1)
Closest name: Electric Indigo (#6600ff)Relative luminance 0.1056

Tints & shades

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

Harmonies

Complementary

Open in tool →

#acfb18

#183afb · #d918fb

#fb6818 · #18fb68

Split-complementary

Open in tool →

#fbd918 · #3afb18

#fb183a · #acfb18 · #18fbd9

Contrast

#6818fb as textRatioAAAA largeAAAFix
Aaon white
6.75:1passpassfail
  • AAA: use #610efb as the text (7.08:1)
Aaon black
3.11:1failpassfail
  • AA: use #8c4ffc as the text (4.64:1)
  • AAA: use #ad81fd as the text (7.34:1)
  • AA: or shift the background to #d4d4d4 (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 #6818fb 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

#6818fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6818fb
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 #6818fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6818fb-af9cc4-dfcb4e-2a1f2d-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