Color

#223563

#223563
hex#223563
rgbrgb(34, 53, 99)
hslhsl(222, 49%, 26%)
oklchoklch(0.339 0.085 265.3)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0379

Colors that go with #223563

Steel Blue, Dark Olive Green 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 →

#634f22

#225663 · #2f2263

#632235 · #356322

Split-complementary

Open in tool →

#632f22 · #566322

#632256 · #634f22 · #22632f

Contrast

#223563 as textRatioAAAA largeAAAFix
Aaon white
11.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #5073c3 as the text (4.58:1)
  • AAA: use #7e97d3 as the text (7.25:1)
  • AA: or shift the background to #a1a1a1 (4.62:1)
  • AAA: or shift the background to #c7c7c7 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #223563 as the background.

Brands using this color

Fonts for this mood

#223563 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #223563
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 #223563 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/223563-9ca3c4-df6e4e-211f2d-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