Color

#2cb9d8

#2cb9d8
hex#2cb9d8
rgbrgb(44, 185, 216)
hslhsl(191, 69%, 51%)
oklchoklch(0.728 0.121 216.9)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.4019

Colors that go with #2cb9d8

Charcoal, Crimson and Dark Orange 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d84b2c

#2cd8a2 · #2c62d8

#d82cb9 · #b9d82c

Split-complementary

Open in tool →

#d82c62 · #d8a22c

#a22cd8 · #d84b2c · #62d82c

Contrast

#2cb9d8 as textRatioAAAA largeAAAFix
Aaon white
2.32:1failfailfail
  • AA: use #1c8097 as the text (4.58:1)
  • AAA: use #155f70 as the text (7.23:1)
  • AA: or shift the background to #3d3d3d (4.68:1)
  • AAA: or shift the background to #1f1f1f (7.09:1)
Aaon black
9.04:1passpasspassPasses 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 #2cb9d8 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2cb9d8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2cb9d8
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 #2cb9d8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2cb9d8-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