Color

#770d91

#770d91
hex#770d91
rgbrgb(119, 13, 145)
hslhsl(288, 84%, 31%)
oklchoklch(0.423 0.196 317.8)
Closest name: Ultraberry (#770088)Relative luminance 0.0625

Colors that go with #770d91

Forest Green, Blue Violet 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 →

#27910d

#340d91 · #910d6a

#91770d · #0d9177

Split-complementary

Open in tool →

#6a910d · #0d9134

#91340d · #27910d · #0d6a91

Contrast

#770d91 as textRatioAAAA largeAAAFix
Aaon white
9.33:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #c014eb as the text (4.54:1)
  • AAA: use #d769f2 as the text (7.19:1)
  • AA: or shift the background to #b5b5b5 (4.55:1)
  • AAA: or shift the background to #e0e0e0 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #770d91 as the background.

Brands using this color

Fonts for this mood

#770d91 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #770d91
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 #770d91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/770d91-be9fc1-aacb62-2d1f2a-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