Color

#660cac

#660cac
hex#660cac
rgbrgb(102, 12, 172)
hslhsl(274, 87%, 36%)
oklchoklch(0.422 0.215 301.7)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0607

Colors that go with #660cac

Olive Green, Charcoal and Teal 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 →

#51ac0c

#170cac · #ac0ca1

#ac660c · #0cac66

Split-complementary

Open in tool →

#a1ac0c · #0cac17

#ac170c · #51ac0c · #0ca1ac

Contrast

#660cac as textRatioAAAA largeAAAFix
Aaon white
9.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #a540f2 as the text (4.62:1)
  • AAA: use #be75f5 as the text (7.05:1)
  • AA: or shift the background to #b3b3b3 (4.53:1)
  • AAA: or shift the background to #dedede (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 #660cac 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

#660cac reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660cac
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 #660cac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660cac-b79cc4-c2cb62-2d1f2d-eae9f1?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