Color

#222b49

#222b49
hex#222b49
rgbrgb(34, 43, 73)
hslhsl(226, 36%, 21%)
oklchoklch(0.296 0.056 270.1)
Closest name: Eternal Darkness (#1c2841)Relative luminance 0.0255

Colors that go with #222b49

Dark Olive Green, Sea Green and Sienna 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 →

#494022

#223f49 · #2d2249

#49222b · #2b4922

Split-complementary

Open in tool →

#492d22 · #3f4922

#49223f · #494022 · #22492d

Contrast

#222b49 as textRatioAAAA largeAAAFix
Aaon white
13.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.51:1failfailfail
  • AA: use #5f73b4 as the text (4.6:1)
  • AAA: use #8695c6 as the text (7.13:1)
  • AA: or shift the background to #949494 (4.59:1)
  • AAA: or shift the background to #b8b8b8 (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 #222b49 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#222b49 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #222b49
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 #222b49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/222b49-9ca1c4-df774e-221f2d-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