Color

#7b3786

#7b3786
hex#7b3786
rgbrgb(123, 55, 134)
hslhsl(292, 42%, 37%)
oklchoklch(0.46 0.141 321.9)
Closest name: Galactic Grapevine (#6b327b)Relative luminance 0.0866

Colors that go with #7b3786

Sea Green, Teal 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 →

#418637

#543786 · #863769

#867b37 · #37867b

Split-complementary

Open in tool →

#698637 · #378654

#865437 · #418637 · #376986

Contrast

#7b3786 as textRatioAAAA largeAAAFix
Aaon white
7.68:1passpasspassPasses AAA — no fix needed.
Aaon black
2.73:1failfailfail
  • AA: use #aa51b8 as the text (4.58:1)
  • AAA: use #bf7dca as the text (7:1)
  • AA: or shift the background to #c7c7c7 (4.55:1)
  • AAA: or shift the background to #f5f5f5 (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 #7b3786 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#7b3786 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #7b3786
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 #7b3786 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/7b3786-c09fc1-a3cb62-2d1f29-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