Color

#0f194d

#0f194d
hex#0f194d
rgbrgb(15, 25, 77)
hslhsl(230, 67%, 18%)
oklchoklch(0.244 0.096 269.4)
Closest name: Deadly Depths (#111144)Relative luminance 0.0133

Colors that go with #0f194d

Charcoal, Dark Olive Green and Rust 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 →

#4d420f

#0f384d · #240f4d

#4d0f19 · #194d0f

Split-complementary

Open in tool →

#4d240f · #384d0f

#4d0f38 · #4d420f · #0f4d24

Contrast

#0f194d as textRatioAAAA largeAAAFix
Aaon white
16.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #556bdd as the text (4.53:1)
  • AAA: use #7f90e6 as the text (7.03:1)
  • AA: or shift the background to #878787 (4.62:1)
  • AAA: or shift the background to #ababab (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f194d as the background.

Brands using this color

Fonts for this mood

#0f194d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f194d
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 #0f194d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f194d-9c9ec4-df814e-231f2d-e9eef1?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