Color

#2ab1cf

#2ab1cf
hex#2ab1cf
rgbrgb(42, 177, 207)
hslhsl(191, 66%, 49%)
oklchoklch(0.704 0.117 217.1)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3644

Colors that go with #2ab1cf

Charcoal, Tomato and Denim lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #2ab1cf

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cf492a

#2acf9b · #2a5fcf

#cf2ab1 · #b1cf2a

Split-complementary

Open in tool →

#cf2a5f · #cf9b2a

#9b2acf · #cf492a · #5fcf2a

Contrast

#2ab1cf as textRatioAAAA largeAAAFix
Aaon white
2.53:1failfailfail
  • AA: use #1e7f94 as the text (4.65:1)
  • AAA: use #175e6e as the text (7.34:1)
  • AA: or shift the background to #383838 (4.63:1)
  • AAA: or shift the background to #171717 (7.08:1)
Aaon black
8.29:1passpasspassPasses 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 #2ab1cf as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2ab1cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2ab1cf
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2ab1cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2ab1cf-a2b6be-df4e7a-1f252d-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