Color

#55bddd

#55bddd
hex#55bddd
rgbrgb(85, 189, 221)
hslhsl(194, 67%, 60%)
oklchoklch(0.75 0.106 221.2)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.4355

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dd7555

#55ddb9 · #5579dd

#dd55bd · #bddd55

Split-complementary

Open in tool →

#dd5579 · #ddb955

#b955dd · #dd7555 · #79dd55

Contrast

#55bddd as textRatioAAAA largeAAAFix
Aaon white
2.16:1failfailfail
  • AA: use #1f809e as the text (4.53:1)
  • AAA: use #175d73 as the text (7.37:1)
  • AA: or shift the background to #424242 (4.65:1)
  • AAA: or shift the background to #242424 (7.18:1)
Aaon black
9.71:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #55bddd 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

#55bddd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #55bddd
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 #55bddd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55bddd-9cb6c4-df4e72-1f242d-e9f1ef?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