Color

#2a9fac

#2a9fac
hex#2a9fac
rgbrgb(42, 159, 172)
hslhsl(186, 61%, 42%)
oklchoklch(0.646 0.1 206.2)
Closest name: Baltic (#279d9f)Relative luminance 0.2827

Colors that go with #2a9fac

Charcoal, Orange Red and Copper 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 #2a9fac

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ac372a

#2aac78 · #2a5eac

#ac2a9f · #9fac2a

Split-complementary

Open in tool →

#ac2a5e · #ac782a

#782aac · #ac372a · #5eac2a

Contrast

#2a9fac as textRatioAAAA largeAAAFix
Aaon white
3.16:1failpassfail
  • AA: use #22818c as the text (4.58:1)
  • AAA: use #195f67 as the text (7.31:1)
  • AA: or shift the background to #292929 (4.61:1)
Aaon black
6.65:1passpassfail
  • AAA: use #2ca7b5 as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a9fac as the background.

Brands using this color

Fonts for this mood

#2a9fac reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a9fac
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 #2a9fac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a9fac-a2b8be-df4e86-1f262d-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