Color

#550c4e

#550c4e
hex#550c4e
rgbrgb(85, 12, 78)
hslhsl(306, 75%, 19%)
oklchoklch(0.319 0.129 332.6)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0274

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#0c5513

#380c55 · #550c29

#4e550c · #0c4e55

Split-complementary

Open in tool →

#29550c · #0c5538

#55380c · #0c5513 · #0c2955

Contrast

#550c4e as textRatioAAAA largeAAAFix
Aaon white
13.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.55:1failfailfail
  • AA: use #d21ec0 as the text (4.69:1)
  • AAA: use #e85eda as the text (7.04:1)
  • AA: or shift the background to #969696 (4.58:1)
  • AAA: or shift the background to #bdbdbd (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #550c4e 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

#550c4e reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #550c4e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #550c4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/550c4e-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