Color

#684f7d

#684f7d
hex#684f7d
rgbrgb(104, 79, 125)
hslhsl(273, 23%, 40%)
oklchoklch(0.472 0.078 308.6)
Closest name: Freshly Purpleized (#5c5083)Relative luminance 0.1002

Colors that go with #684f7d

Charcoal, Crimson and Denim lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #684f7d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#647d4f

#514f7d · #7d4f7b

#7d684f · #4f7d68

Split-complementary

Open in tool →

#7b7d4f · #4f7d51

#7d514f · #647d4f · #4f7b7d

Contrast

#684f7d as textRatioAAAA largeAAAFix
Aaon white
6.99:1passpassfail
  • AAA: use #664d7a as the text (7.22:1)
Aaon black
3:1failpassfail
  • AA: use #8768a1 as the text (4.52:1)
  • AAA: use #a58eb8 as the text (7.16:1)
  • AA: or shift the background to #d1d1d1 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #684f7d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #684f7d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #684f7d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/684f7d-b79cc4-c4cb62-2d1f2d-eae9f1?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