Color

#223377

#223377
hex#223377
rgbrgb(34, 51, 119)
hslhsl(228, 56%, 30%)
oklchoklch(0.35 0.118 268.9)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0404

Colors that go with #223377

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 →

#776622

#225e77 · #3b2277

#772233 · #337722

Split-complementary

Open in tool →

#773b22 · #5e7722

#77225e · #776622 · #22773b

Contrast

#223377 as textRatioAAAA largeAAAFix
Aaon white
11.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.81:1failfailfail
  • AA: use #5870d0 as the text (4.64:1)
  • AAA: use #8092db as the text (7.05:1)
  • AA: or shift the background to #a3a3a3 (4.6:1)
  • AAA: or shift the background to #c9c9c9 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #223377 as the background.

Brands using this color

Fonts for this mood

#223377 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #223377
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 #223377 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/223377-9c9fc4-df7c4e-231f2d-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