Color

#550e58

#550e58
hex#550e58
rgbrgb(85, 14, 88)
hslhsl(298, 73%, 20%)
oklchoklch(0.327 0.135 326.3)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0295

Colors that go with #550e58

Denim, Forest Green and Crimson 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 →

#10580e

#310e58 · #580e35

#58560e · #0e5856

Split-complementary

Open in tool →

#35580e · #0e5831

#58310e · #10580e · #0e3558

Contrast

#550e58 as textRatioAAAA largeAAAFix
Aaon white
13.21:1passpasspassPasses AAA — no fix needed.
Aaon black
1.59:1failfailfail
  • AA: use #ca20cf as the text (4.62:1)
  • AAA: use #e260e6 as the text (7.05:1)
  • AA: or shift the background to #999999 (4.64:1)
  • AAA: or shift the background to #bdbdbd (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #550e58 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

#550e58 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #550e58
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 #550e58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/550e58-c19fbe-98cb62-2d1f28-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