Color

#a678fc

#a678fc
hex#a678fc
rgbrgb(166, 120, 252)
hslhsl(261, 96%, 73%)
oklchoklch(0.677 0.19 297.1)
Closest name: Periwinkle (#8e82fe)Relative luminance 0.2857

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cefc78

#788cfc · #e878fc

#fca678 · #78fca6

Split-complementary

Open in tool →

#fce878 · #8cfc78

#fc788c · #cefc78 · #78fce8

Contrast

#a678fc as textRatioAAAA largeAAAFix
Aaon white
3.13:1failpassfail
  • AA: use #8c50fb as the text (4.51:1)
  • AAA: use #610ffa as the text (7.1:1)
  • AA: or shift the background to #2b2b2b (4.53:1)
Aaon black
6.71:1passpassfail
  • AAA: use #aa7dfc as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a678fc 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

#a678fc reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a678fc
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 #a678fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a678fc-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