Color

#570066

#570066
hex#570066
rgbrgb(87, 0, 102)
hslhsl(291, 100%, 20%)
oklchoklch(0.332 0.159 320.4)
Closest name: Cloak and Dagger (#550055)Relative luminance 0.0299

Colors that go with #570066

Forest Green, Charcoal and Denim 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 →

#0f6600

#240066 · #660042

#665700 · #006657

Split-complementary

Open in tool →

#426600 · #006624

#662400 · #0f6600 · #004266

Contrast

#570066 as textRatioAAAA largeAAAFix
Aaon white
13.15:1passpasspassPasses AAA — no fix needed.
Aaon black
1.6:1failfailfail
  • AA: use #c700eb as the text (4.63:1)
  • AAA: use #e657ff as the text (7.17:1)
  • AA: or shift the background to #999999 (4.62:1)
  • AAA: or shift the background to #bfbfbf (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #570066 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

#570066 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #570066
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 #570066 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/570066-bf9fc1-a4cb62-2d1f29-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