Color

#2a9dc0

#2a9dc0
hex#2a9dc0
rgbrgb(42, 157, 192)
hslhsl(194, 64%, 46%)
oklchoklch(0.649 0.11 223.4)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2841

Colors that go with #2a9dc0

Charcoal, Amber and 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.

Real palettes that use #2a9dc0

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c04d2a

#2ac098 · #2a52c0

#c02a9d · #9dc02a

Split-complementary

Open in tool →

#c02a52 · #c0982a

#982ac0 · #c04d2a · #52c02a

Contrast

#2a9dc0 as textRatioAAAA largeAAAFix
Aaon white
3.14:1failpassfail
  • AA: use #227f9b as the text (4.59:1)
  • AAA: use #1a6075 as the text (7.06:1)
  • AA: or shift the background to #2b2b2b (4.51:1)
Aaon black
6.68:1passpassfail
  • AAA: use #2ba1c5 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a9dc0 as the background.

Brands using this color

Fonts for this mood

#2a9dc0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a9dc0
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 #2a9dc0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a9dc0-9cb6c4-df4e72-1f242d-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