Color

#551efa

#551efa
hex#551efa
rgbrgb(85, 30, 250)
hslhsl(255, 96%, 55%)
oklchoklch(0.495 0.282 279.9)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.0976

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c3fa1e

#1e55fa · #c31efa

#fa551e · #1efa55

Split-complementary

Open in tool →

#fac31e · #55fa1e

#fa1e55 · #c3fa1e · #1efac3

Contrast

#551efa as textRatioAAAA largeAAAFix
Aaon white
7.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #7f55fc as the text (4.61:1)
  • AAA: use #a182fc as the text (7.11:1)
  • AA: or shift the background to #cfcfcf (4.57:1)
  • AAA: or shift the background to #ffffff (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 #551efa 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

#551efa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #551efa
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 #551efa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/551efa-ab9cc4-dfbd4e-291f2d-e9ebf1?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