Color

#2849cc

#2849cc
hex#2849cc
rgbrgb(40, 73, 204)
hslhsl(228, 67%, 48%)
oklchoklch(0.472 0.205 266.8)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0958

Colors that go with #2849cc

Charcoal, Sea Green and Steel 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ccac28

#289bcc · #5a28cc

#cc2849 · #49cc28

Split-complementary

Open in tool →

#cc5a28 · #9bcc28

#cc289b · #ccac28 · #28cc5a

Contrast

#2849cc as textRatioAAAA largeAAAFix
Aaon white
7.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.92:1failfailfail
  • AA: use #506cdc as the text (4.52:1)
  • AAA: use #7f94e6 as the text (7.28:1)
  • AA: or shift the background to #cfcfcf (4.62:1)
  • AAA: or shift the background to #fcfcfc (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2849cc as the background.

Brands using this color

Fonts for this mood

#2849cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2849cc
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 #2849cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2849cc-9c9fc4-df7c4e-231f2d-e9eff1?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