Color

#220aa9

#220aa9
hex#220aa9
rgbrgb(34, 10, 169)
hslhsl(249, 89%, 35%)
oklchoklch(0.35 0.219 271.8)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0342

Colors that go with #220aa9

Blue, Charcoal and Cornflower 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 →

#91a90a

#0a41a9 · #710aa9

#a9220a · #0aa922

Split-complementary

Open in tool →

#a9710a · #41a90a

#a90a41 · #91a90a · #0aa971

Contrast

#220aa9 as textRatioAAAA largeAAAFix
Aaon white
12.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.68:1failfailfail
  • AA: use #725bf5 as the text (4.53:1)
  • AAA: use #9887f8 as the text (7.16:1)
  • AA: or shift the background to #9c9c9c (4.54:1)
  • AAA: or shift the background to #c4c4c4 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #220aa9 as the background.

Brands using this color

Fonts for this mood

#220aa9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #220aa9
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 #220aa9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/220aa9-a79cc4-dfae4e-271f2d-e9ecf1?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