Color

#222d91

#222d91
hex#222d91
rgbrgb(34, 45, 145)
hslhsl(234, 62%, 35%)
oklchoklch(0.362 0.163 270.6)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0426

Colors that go with #222d91

Charcoal, Steel Blue and 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 →

#918622

#226491 · #4e2291

#91222d · #2d9122

Split-complementary

Open in tool →

#914e22 · #649122

#912264 · #918622 · #22914e

Contrast

#222d91 as textRatioAAAA largeAAAFix
Aaon white
11.34:1passpasspassPasses AAA — no fix needed.
Aaon black
1.85:1failfailfail
  • AA: use #5e6ad9 as the text (4.54:1)
  • AAA: use #8790e3 as the text (7.13:1)
  • AA: or shift the background to #a6a6a6 (4.66:1)
  • AAA: or shift the background to #cccccc (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 #222d91 as the background.

Brands using this color

Fonts for this mood

#222d91 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #222d91
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 #222d91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/222d91-9d9cc4-df8a4e-241f2d-e9eef1?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