Color

#223a44

#223a44
hex#223a44
rgbrgb(34, 58, 68)
hslhsl(198, 33%, 20%)
oklchoklch(0.333 0.035 226.3)
Closest name: Astral Nomad (#203943)Relative luminance 0.0378

Colors that go with #223a44

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 →

#442c22

#22443d · #222944

#44223a · #3a4422

Split-complementary

Open in tool →

#442229 · #443d22

#3d2244 · #442c22 · #294422

Contrast

#223a44 as textRatioAAAA largeAAAFix
Aaon white
11.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #497c92 as the text (4.58:1)
  • AAA: use #6a9eb4 as the text (7.16:1)
  • AA: or shift the background to #a1a1a1 (4.63:1)
  • 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 #223a44 as the background.

Brands using this color

Fonts for this mood

#223a44 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #223a44
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 #223a44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/223a44-9cb3c4-df4e69-1f232d-e9f1f0?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