Color

#227dc3

#227dc3
hex#227dc3
rgbrgb(34, 125, 195)
hslhsl(206, 70%, 45%)
oklchoklch(0.573 0.135 247)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1895

Colors that go with #227dc3

Charcoal, Crimson and Copper 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 →

#c36822

#22c3b8 · #222dc3

#c3227d · #7dc322

Split-complementary

Open in tool →

#c3222d · #c3b822

#b822c3 · #c36822 · #2dc322

Contrast

#227dc3 as textRatioAAAA largeAAAFix
Aaon white
4.38:1failpassfail
  • AA: use #227bbf as the text (4.51:1)
  • AAA: use #195c8f as the text (7.07:1)
  • AA: or shift the background to #0a0a0a (4.52:1)
Aaon black
4.79:1passpassfail
  • AAA: use #459cde as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #227dc3 as the background.

Brands using this color

Fonts for this mood

#227dc3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #227dc3
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 #227dc3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/227dc3-9caec4-df4e56-1f212d-e9f1f1?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