Color

#554dff

#554dff
hex#554dff
rgbrgb(85, 77, 255)
hslhsl(243, 100%, 65%)
oklchoklch(0.548 0.252 276.1)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1446

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f6ff4d

#4d9dff · #af4dff

#ff554d · #4dff55

Split-complementary

Open in tool →

#ffaf4d · #9dff4d

#ff4d9d · #f6ff4d · #4dffaf

Contrast

#554dff as textRatioAAAA largeAAAFix
Aaon white
5.4:1passpassfail
  • AAA: use #3429ff as the text (7.22:1)
Aaon black
3.89:1failpassfail
  • AA: use #645cff as the text (4.52:1)
  • AAA: use #908aff as the text (7.27:1)
  • AA: or shift the background to #ebebeb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #554dff 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

#554dff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #554dff
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 #554dff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/554dff-a39cc4-dfa04e-261f2d-e9edf1?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