Color

#550d5e

#550d5e
hex#550d5e
rgbrgb(85, 13, 94)
hslhsl(293, 76%, 21%)
oklchoklch(0.33 0.141 322.9)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0303

Colors that go with #550d5e

Forest Green, Crimson 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 →

#165e0d

#2c0d5e · #5e0d3f

#5e550d · #0d5e55

Split-complementary

Open in tool →

#3f5e0d · #0d5e2c

#5e2c0d · #165e0d · #0d3f5e

Contrast

#550d5e as textRatioAAAA largeAAAFix
Aaon white
13.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.61:1failfailfail
  • AA: use #c61edc as the text (4.62:1)
  • AAA: use #db66ea as the text (7.1:1)
  • AA: or shift the background to #999999 (4.59:1)
  • AAA: or shift the background to #bfbfbf (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #550d5e 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

#550d5e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #550d5e
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 #550d5e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/550d5e-c19fc1-a1cb62-2d1f29-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