Color

#2ab9cf

#2ab9cf
hex#2ab9cf
rgbrgb(42, 185, 207)
hslhsl(188, 66%, 49%)
oklchoklch(0.724 0.117 210.8)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.397

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cf402a

#2acf93 · #2a67cf

#cf2ab9 · #b9cf2a

Split-complementary

Open in tool →

#cf2a67 · #cf932a

#932acf · #cf402a · #67cf2a

Contrast

#2ab9cf as textRatioAAAA largeAAAFix
Aaon white
2.35:1failfailfail
  • AA: use #1d8190 as the text (4.57:1)
  • AAA: use #165f6a as the text (7.29:1)
  • AA: or shift the background to #3d3d3d (4.62:1)
  • AAA: or shift the background to #1f1f1f (7.02:1)
Aaon black
8.94:1passpasspassPasses 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 #2ab9cf as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2ab9cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2ab9cf
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 #2ab9cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2ab9cf-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