Color

#5b0052

#5b0052
hex#5b0052
rgbrgb(91, 0, 82)
hslhsl(306, 100%, 18%)
oklchoklch(0.325 0.145 333.5)
Closest name: Cloak and Dagger (#550055)Relative luminance 0.0283

Colors that go with #5b0052

Sea Green, Cream 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 →

#005c09

#37005c · #5c0025

#535c00 · #00535c

Split-complementary

Open in tool →

#255c00 · #005c37

#5c3700 · #005c09 · #00255c

Contrast

#5b0052 as textRatioAAAA largeAAAFix
Aaon white
13.4:1passpasspassPasses AAA — no fix needed.
Aaon black
1.57:1failfailfail
  • AA: use #d600c1 as the text (4.63:1)
  • AAA: use #ff38eb as the text (7.02:1)
  • AA: or shift the background to #969696 (4.53:1)
  • AAA: or shift the background to #bdbdbd (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 #5b0052 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

#5b0052 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b0052
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 #5b0052 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b0052-c19fb9-8acb62-2d1f26-eee9f1?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