Color

#681d77

#681d77
hex#681d77
rgbrgb(104, 29, 119)
hslhsl(290, 61%, 29%)
oklchoklch(0.392 0.155 320.4)
Closest name: Extraviolet (#661188)Relative luminance 0.0515

Colors that go with #681d77

Tomato, Forest Green and Charcoal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2c771d

#3b1d77 · #771d59

#77681d · #1d7768

Split-complementary

Open in tool →

#59771d · #1d773b

#773b1d · #2c771d · #1d5977

Contrast

#681d77 as textRatioAAAA largeAAAFix
Aaon white
10.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #b83ed0 as the text (4.64:1)
  • AAA: use #cc73dd as the text (7.06:1)
  • AA: or shift the background to #ababab (4.5:1)
  • AAA: or shift the background to #d6d6d6 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #681d77 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

#681d77 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #681d77
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 #681d77 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/681d77-bf9fc1-a6cb62-2d1f29-ece9f1?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