Color

#55cbdd

#55cbdd
hex#55cbdd
rgbrgb(85, 203, 221)
hslhsl(188, 67%, 60%)
oklchoklch(0.782 0.108 209)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.4986

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dd6755

#55ddab · #5587dd

#dd55cb · #cbdd55

Split-complementary

Open in tool →

#dd5587 · #ddab55

#ab55dd · #dd6755 · #87dd55

Contrast

#55cbdd as textRatioAAAA largeAAAFix
Aaon white
1.91:1failfailfail
  • AA: use #1d8191 as the text (4.56:1)
  • AAA: use #155f6a as the text (7.3:1)
  • AA: or shift the background to #4a4a4a (4.63:1)
  • AAA: or shift the background to #2e2e2e (7.1:1)
Aaon black
10.97:1passpasspassPasses 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 #55cbdd 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

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

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

tool url/palettes/new/55cbdd-a2b7be-df4e81-1f252d-e9f1ee?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