Color

#2b9aca

#2b9aca
hex#2b9aca
rgbrgb(43, 154, 202)
hslhsl(198, 65%, 48%)
oklchoklch(0.647 0.119 232.1)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2789

Colors that go with #2b9aca

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 #2b9aca

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ca5b2b

#2bcaaa · #2b4bca

#ca2b9a · #9aca2b

Split-complementary

Open in tool →

#ca2b4b · #caaa2b

#aa2bca · #ca5b2b · #4bca2b

Contrast

#2b9aca as textRatioAAAA largeAAAFix
Aaon white
3.19:1failpassfail
  • AA: use #237da4 as the text (4.62:1)
  • AAA: use #1a5d7a as the text (7.26:1)
  • AA: or shift the background to #292929 (4.56:1)
Aaon black
6.58:1passpassfail
  • AAA: use #2da1d2 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b9aca 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

#2b9aca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b9aca
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 #2b9aca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b9aca-9cb3c4-df4e69-1f232d-e9f1f0?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