Color

#731287

#731287
hex#731287
rgbrgb(115, 18, 135)
hslhsl(290, 76%, 30%)
oklchoklch(0.412 0.184 319.6)
Closest name: Ultraberry (#770088)Relative luminance 0.0583

Colors that go with #731287

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 →

#268712

#391287 · #871260

#877312 · #128773

Split-complementary

Open in tool →

#608712 · #128739

#873912 · #268712 · #126087

Contrast

#731287 as textRatioAAAA largeAAAFix
Aaon white
9.7:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #c01fe0 as the text (4.51:1)
  • AAA: use #d56beb as the text (7.13:1)
  • AA: or shift the background to #b3b3b3 (4.63:1)
  • AAA: or shift the background to #dbdbdb (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 #731287 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

#731287 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #731287
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 #731287 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/731287-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