Color

#12223f

#12223f
hex#12223f
rgbrgb(18, 34, 63)
hslhsl(219, 56%, 16%)
oklchoklch(0.255 0.059 261.4)
Closest name: Dark Eclipse (#112244)Relative luminance 0.0163

Colors that go with #12223f

Charcoal, Dark Olive Green and Sea Green 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.

Real palettes that use #12223f

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#403012

#123940 · #191240

#401222 · #224012

Split-complementary

Open in tool →

#401912 · #394012

#401239 · #403012 · #124019

Contrast

#12223f as textRatioAAAA largeAAAFix
Aaon white
15.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #4473ca as the text (4.55:1)
  • AAA: use #7497d8 as the text (7.16:1)
  • AA: or shift the background to #8a8a8a (4.59:1)
  • AAA: or shift the background to #adadad (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12223f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#12223f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12223f
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 #12223f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12223f-9ca5c4-df664e-211f2d-e9f0f1?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