Color

#851787

#851787
hex#851787
rgbrgb(133, 23, 135)
hslhsl(299, 71%, 31%)
oklchoklch(0.444 0.187 327.4)
Closest name: darkmagenta (#8b008b)Relative luminance 0.0735

Colors that go with #851787

Forest 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 →

#198717

#4d1787 · #871751

#878517 · #178785

Split-complementary

Open in tool →

#518717 · #17874d

#874d17 · #198717 · #175187

Contrast

#851787 as textRatioAAAA largeAAAFix
Aaon white
8.5:1passpasspassPasses AAA — no fix needed.
Aaon black
2.47:1failfailfail
  • AA: use #ca23cd as the text (4.63:1)
  • AAA: use #e262e4 as the text (7.1:1)
  • AA: or shift the background to #bdbdbd (4.53:1)
  • AAA: or shift the background to #ebebeb (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #851787 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

#851787 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #851787
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 #851787 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/851787-c19fbd-96cb62-2d1f27-ede9f1?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