Color

#520f71

#520f71
hex#520f71
rgbrgb(82, 15, 113)
hslhsl(281, 77%, 25%)
oklchoklch(0.342 0.155 311.5)
Closest name: indigo (#4b0082)Relative luminance 0.0333

Colors that go with #520f71

Tomato, Forest Green 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 →

#2e710f

#210f71 · #710f5f

#71520f · #0f7152

Split-complementary

Open in tool →

#5f710f · #0f7121

#71210f · #2e710f · #0f5f71

Contrast

#520f71 as textRatioAAAA largeAAAFix
Aaon white
12.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #b03de6 as the text (4.66:1)
  • AAA: use #c673ed as the text (7.08:1)
  • AA: or shift the background to #9c9c9c (4.59:1)
  • AAA: or shift the background to #c2c2c2 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #520f71 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

#520f71 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #520f71
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 #520f71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/520f71-ba9fc1-b6cb62-2d1f2c-ebe9f1?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