Color

#2848bd

#2848bd
hex#2848bd
rgbrgb(40, 72, 189)
hslhsl(227, 65%, 45%)
oklchoklch(0.456 0.187 266.7)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0876

Colors that go with #2848bd

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 →

#bd9d28

#2893bd · #5228bd

#bd2848 · #48bd28

Split-complementary

Open in tool →

#bd5228 · #93bd28

#bd2893 · #bd9d28 · #28bd52

Contrast

#2848bd as textRatioAAAA largeAAAFix
Aaon white
7.63:1passpasspassPasses AAA — no fix needed.
Aaon black
2.75:1failfailfail
  • AA: use #5270da as the text (4.69:1)
  • AAA: use #7d93e3 as the text (7.15:1)
  • AA: or shift the background to #c7c7c7 (4.51:1)
  • AAA: or shift the background to #f7f7f7 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2848bd as the background.

Brands using this color

Fonts for this mood

#2848bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2848bd
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 #2848bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2848bd-9ca0c4-df7a4e-221f2d-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