Color

#720b89

#720b89
hex#720b89
rgbrgb(114, 11, 137)
hslhsl(289, 85%, 29%)
oklchoklch(0.409 0.189 318.6)
Closest name: Ultraberry (#770088)Relative luminance 0.0562

Colors that go with #720b89

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 →

#22890b

#330b89 · #890b61

#89720b · #0b8972

Split-complementary

Open in tool →

#61890b · #0b8933

#89330b · #22890b · #0b6189

Contrast

#720b89 as textRatioAAAA largeAAAFix
Aaon white
9.88:1passpasspassPasses AAA — no fix needed.
Aaon black
2.12:1failfailfail
  • AA: use #c413ec as the text (4.65:1)
  • AAA: use #d968f3 as the text (7.22:1)
  • AA: or shift the background to #b0b0b0 (4.56:1)
  • AAA: or shift the background to #d9d9d9 (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 #720b89 as the background.

Brands using this color

Fonts for this mood

#720b89 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #720b89
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 #720b89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/720b89-be9fc1-a8cb62-2d1f2a-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