Color

#7b129b

#7b129b
hex#7b129b
rgbrgb(123, 18, 155)
hslhsl(286, 79%, 34%)
oklchoklch(0.44 0.203 315.9)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0701

Colors that go with #7b129b

Denim, 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 →

#329b12

#37129b · #9b1277

#9b7b12 · #129b7b

Split-complementary

Open in tool →

#779b12 · #129b37

#9b3712 · #329b12 · #12779b

Contrast

#7b129b as textRatioAAAA largeAAAFix
Aaon white
8.74:1passpasspassPasses AAA — no fix needed.
Aaon black
2.4:1failfailfail
  • AA: use #ba28e6 as the text (4.53:1)
  • AAA: use #d06dee as the text (7.1:1)
  • AA: or shift the background to #bababa (4.5:1)
  • AAA: or shift the background to #e6e6e6 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #7b129b as the background.

Brands using this color

Fonts for this mood

#7b129b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #7b129b
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 #7b129b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/7b129b-bd9fc1-adcb62-2d1f2a-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