Color

#550ec8

#550ec8
hex#550ec8
rgbrgb(85, 14, 200)
hslhsl(263, 87%, 42%)
oklchoklch(0.432 0.24 287.7)
Closest name: Blurple (#5539cc)Relative luminance 0.0642

Tints & shades

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

Harmonies

Complementary

Open in tool →

#81c80e

#0e24c8 · #b30ec8

#c8550e · #0ec855

Split-complementary

Open in tool →

#c8b30e · #24c80e

#c80e24 · #81c80e · #0ec8b3

Contrast

#550ec8 as textRatioAAAA largeAAAFix
Aaon white
9.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #8d4ff3 as the text (4.55:1)
  • AAA: use #ac7ef6 as the text (7.07:1)
  • AA: or shift the background to #b8b8b8 (4.64:1)
  • AAA: or shift the background to #e3e3e3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #550ec8 as the background.

Brands using this color

Fonts for this mood

#550ec8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #550ec8
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 #550ec8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/550ec8-b09cc4-dfd04e-2b1f2d-e9eaf1?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