Color

#2a9db7

#2a9db7
hex#2a9db7
rgbrgb(42, 157, 183)
hslhsl(191, 63%, 44%)
oklchoklch(0.645 0.104 216.9)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2803

Colors that go with #2a9db7

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 #2a9db7

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b7432a

#2ab78a · #2a56b7

#b72a9d · #9db72a

Split-complementary

Open in tool →

#b72a56 · #b78a2a

#8a2ab7 · #b7432a · #56b72a

Contrast

#2a9db7 as textRatioAAAA largeAAAFix
Aaon white
3.18:1failpassfail
  • AA: use #228096 as the text (4.57:1)
  • AAA: use #196070 as the text (7.12:1)
  • AA: or shift the background to #292929 (4.58:1)
Aaon black
6.61:1passpassfail
  • AAA: use #2ba4bf as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a9db7 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

#2a9db7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a9db7
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 #2a9db7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a9db7-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