Color

#121f44

#121f44
hex#121f44
rgbrgb(18, 31, 68)
hslhsl(224, 58%, 17%)
oklchoklch(0.251 0.072 266.7)
Closest name: Dark Eclipse (#112244)Relative luminance 0.0153

Colors that go with #121f44

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#443712

#123944 · #1e1244

#441220 · #204412

Split-complementary

Open in tool →

#441e12 · #394412

#441239 · #443712 · #12441e

Contrast

#121f44 as textRatioAAAA largeAAAFix
Aaon white
16.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #4e70d0 as the text (4.55:1)
  • AAA: use #7a94dc as the text (7.1:1)
  • AA: or shift the background to #8a8a8a (4.66:1)
  • AAA: or shift the background to #ababab (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 #121f44 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#121f44 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #121f44
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 #121f44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/121f44-9ca2c4-df724e-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