Color

#684cae

#684cae
hex#684cae
rgbrgb(104, 76, 174)
hslhsl(257, 39%, 49%)
oklchoklch(0.496 0.15 293.3)
Closest name: Passion Flower (#6f5698)Relative luminance 0.1117

Tints & shades

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

Harmonies

Complementary

Open in tool →

#92ae4c

#4c61ae · #994cae

#ae684c · #4cae68

Split-complementary

Open in tool →

#ae994c · #61ae4c

#ae4c61 · #92ae4c · #4cae99

Contrast

#684cae as textRatioAAAA largeAAAFix
Aaon white
6.49:1passpassfail
  • AAA: use #6148a3 as the text (7.08:1)
Aaon black
3.23:1failpassfail
  • AA: use #7f67bc as the text (4.57:1)
  • AAA: use #a08ecd as the text (7.25:1)
  • AA: or shift the background to #d9d9d9 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #684cae as the background.

Brands using this color

Fonts for this mood

#684cae reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #684cae
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 #684cae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/684cae-ac9cc4-dfc24e-291f2d-e9ebf1?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