Color

#223b44

#223b44
hex#223b44
rgbrgb(34, 59, 68)
hslhsl(196, 33%, 20%)
oklchoklch(0.336 0.035 222.9)
Closest name: Astral Nomad (#203943)Relative luminance 0.0389

Colors that go with #223b44

Dark Olive Green, Sienna and Steel 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 →

#442b22

#22443c · #222a44

#44223b · #3b4422

Split-complementary

Open in tool →

#44222a · #443c22

#3c2244 · #442b22 · #2a4422

Contrast

#223b44 as textRatioAAAA largeAAAFix
Aaon white
11.82:1passpasspassPasses AAA — no fix needed.
Aaon black
1.78:1failfailfail
  • AA: use #487c8e as the text (4.55:1)
  • AAA: use #669eb2 as the text (7.1:1)
  • AA: or shift the background to #a1a1a1 (4.57:1)
  • AAA: or shift the background to #c9c9c9 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #223b44 as the background.

Brands using this color

Fonts for this mood

#223b44 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #223b44
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 #223b44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/223b44-9cb5c4-df4e6e-1f232d-e9f1ef?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