Color

#2956db

#2956db
hex#2956db
rgbrgb(41, 86, 219)
hslhsl(225, 71%, 51%)
oklchoklch(0.509 0.209 265.1)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1224

Colors that go with #2956db

Charcoal, Sea Green 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 →

#dbae29

#29aedb · #5629db

#db2956 · #56db29

Split-complementary

Open in tool →

#db5629 · #aedb29

#db29ae · #dbae29 · #29db56

Contrast

#2956db as textRatioAAAA largeAAAFix
Aaon white
6.09:1passpassfail
  • AAA: use #224cc9 as the text (7.13:1)
Aaon black
3.45:1failpassfail
  • AA: use #486ee0 as the text (4.58:1)
  • AAA: use #7894e8 as the text (7.2:1)
  • AA: or shift the background to #dedede (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2956db as the background.

Brands using this color

Fonts for this mood

#2956db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2956db
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 #2956db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2956db-9ca1c4-df754e-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