Color

#2ca5dd

#2ca5dd
hex#2ca5dd
rgbrgb(44, 165, 221)
hslhsl(199, 72%, 52%)
oklchoklch(0.683 0.131 234.2)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3267

Colors that go with #2ca5dd

Charcoal, Tomato and Bronze 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 →

#dd642c

#2cddbc · #2c4ddd

#dd2ca5 · #a5dd2c

Split-complementary

Open in tool →

#dd2c4d · #ddbc2c

#bc2cdd · #dd642c · #4ddd2c

Contrast

#2ca5dd as textRatioAAAA largeAAAFix
Aaon white
2.79:1failfailfail
  • AA: use #1c7eab as the text (4.54:1)
  • AAA: use #155d7f as the text (7.23:1)
  • AA: or shift the background to #333333 (4.53:1)
  • AAA: or shift the background to #0a0a0a (7.1:1)
Aaon black
7.53:1passpasspassPasses 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 #2ca5dd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2ca5dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2ca5dd
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 #2ca5dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2ca5dd-9cb3c4-df4e66-1f232d-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