Color

#2a9bb7

#2a9bb7
hex#2a9bb7
rgbrgb(42, 155, 183)
hslhsl(192, 63%, 44%)
oklchoklch(0.641 0.105 218.7)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2735

Colors that go with #2a9bb7

Charcoal, Amber and Cobalt Blue 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 →

#b7462a

#2ab78c · #2a54b7

#b72a9b · #9bb72a

Split-complementary

Open in tool →

#b72a54 · #b78c2a

#8c2ab7 · #b7462a · #54b72a

Contrast

#2a9bb7 as textRatioAAAA largeAAAFix
Aaon white
3.25:1failpassfail
  • AA: use #227f96 as the text (4.62:1)
  • AAA: use #195f70 as the text (7.21:1)
  • AA: or shift the background to #262626 (4.66:1)
Aaon black
6.47:1passpassfail
  • AAA: use #2ba2bf as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a9bb7 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

#2a9bb7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a9bb7
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 #2a9bb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a9bb7-a2b5be-df4e77-1f242d-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