Color

#2bbaf3

#2bbaf3
hex#2bbaf3
rgbrgb(43, 186, 243)
hslhsl(197, 89%, 56%)
oklchoklch(0.742 0.14 231.1)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.421

Colors that go with #2bbaf3

Charcoal, Dark Orange 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f3642b

#2bf3c7 · #2b56f3

#f32bba · #baf32b

Split-complementary

Open in tool →

#f32b56 · #f3c72b

#c72bf3 · #f3642b · #56f32b

Contrast

#2bbaf3 as textRatioAAAA largeAAAFix
Aaon white
2.23:1failfailfail
  • AA: use #0a7fae as the text (4.51:1)
  • AAA: use #085f82 as the text (7.07:1)
  • AA: or shift the background to #424242 (4.51:1)
  • AAA: or shift the background to #212121 (7.22:1)
Aaon black
9.42:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2bbaf3 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2bbaf3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2bbaf3
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 #2bbaf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2bbaf3-9cb4c4-df4e6b-1f232d-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