Color

#550774

#550774
hex#550774
rgbrgb(85, 7, 116)
hslhsl(283, 89%, 24%)
oklchoklch(0.344 0.165 312.5)
Closest name: indigo (#4b0082)Relative luminance 0.0334

Tints & shades

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

Harmonies

Complementary

Open in tool →

#267407

#1e0774 · #74075c

#745507 · #077455

Split-complementary

Open in tool →

#5c7407 · #07741e

#741e07 · #267407 · #075c74

Contrast

#550774 as textRatioAAAA largeAAAFix
Aaon white
12.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #b721f2 as the text (4.51:1)
  • AAA: use #ce6af6 as the text (7.02:1)
  • AA: or shift the background to #9c9c9c (4.58:1)
  • AAA: or shift the background to #c2c2c2 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #550774 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

#550774 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #550774
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 #550774 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/550774-bb9fc1-b2cb62-2d1f2b-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