Color

#2da4b9

#2da4b9
hex#2da4b9
rgbrgb(45, 164, 185)
hslhsl(189, 61%, 45%)
oklchoklch(0.664 0.105 212.4)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.3061

Colors that go with #2da4b9

Charcoal, Orange Red and Amber 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 #2da4b9

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b9422d

#2db988 · #2d5eb9

#b92da4 · #a4b92d

Split-complementary

Open in tool →

#b92d5e · #b9882d

#882db9 · #b9422d · #5eb92d

Contrast

#2da4b9 as textRatioAAAA largeAAAFix
Aaon white
2.95:1failfailfail
  • AA: use #237f90 as the text (4.66:1)
  • AAA: use #1a5f6b as the text (7.26:1)
  • AA: or shift the background to #2e2e2e (4.61:1)
  • AAA: or shift the background to #000000 (7.12:1)
Aaon black
7.12:1passpasspassPasses 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 #2da4b9 as the background.

Brands using this color

Fonts for this mood

#2da4b9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2da4b9
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 #2da4b9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2da4b9-a2b7be-df4e7e-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