Color

#224bdd

#224bdd
hex#224bdd
rgbrgb(34, 75, 221)
hslhsl(227, 73%, 50%)
oklchoklch(0.489 0.226 265.6)
Closest name: C64 Blue (#003aff)Relative luminance 0.1059

Colors that go with #224bdd

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.

Real palettes that use #224bdd

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ddb422

#22a8dd · #5722dd

#dd224b · #4bdd22

Split-complementary

Open in tool →

#dd5722 · #a8dd22

#dd22a8 · #ddb422 · #22dd57

Contrast

#224bdd as textRatioAAAA largeAAAFix
Aaon white
6.73:1passpassfail
  • AAA: use #2148d4 as the text (7.14:1)
Aaon black
3.12:1failpassfail
  • AA: use #4a6be3 as the text (4.5:1)
  • AAA: use #7b93ea as the text (7.2:1)
  • AA: or shift the background to #d4d4d4 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #224bdd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#224bdd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #224bdd
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 #224bdd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/224bdd-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