Color

#2cb9ed

#2cb9ed
hex#2cb9ed
rgbrgb(44, 185, 237)
hslhsl(196, 84%, 55%)
oklchoklch(0.737 0.135 228.9)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4135

Colors that go with #2cb9ed

Charcoal, Amber and Dark Orange 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 →

#ed5f2c

#2cedc0 · #2c59ed

#ed2cb9 · #b9ed2c

Split-complementary

Open in tool →

#ed2c59 · #edc02c

#c02ced · #ed5f2c · #59ed2c

Contrast

#2cb9ed as textRatioAAAA largeAAAFix
Aaon white
2.27:1failfailfail
  • AA: use #0e7ca4 as the text (4.73:1)
  • AAA: use #0b607f as the text (7.01:1)
  • AA: or shift the background to #404040 (4.58:1)
  • AAA: or shift the background to #212121 (7.11:1)
Aaon black
9.27:1passpasspassPasses 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 #2cb9ed as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2cb9ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2cb9ed
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 #2cb9ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2cb9ed-9cb5c4-df4e6e-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