Color

#0f4367

#0f4367
hex#0f4367
rgbrgb(15, 67, 103)
hslhsl(205, 75%, 23%)
oklchoklch(0.369 0.081 244.2)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.051

Colors that go with #0f4367

Royal Blue, Teal 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 →

#67330f

#0f675f · #0f1667

#670f42 · #42670f

Split-complementary

Open in tool →

#670f16 · #675f0f

#5f0f67 · #67330f · #16670f

Contrast

#0f4367 as textRatioAAAA largeAAAFix
Aaon white
10.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #1b7bc0 as the text (4.64:1)
  • AAA: use #3b9de3 as the text (7.12:1)
  • AA: or shift the background to #ababab (4.53:1)
  • AAA: or shift the background to #d4d4d4 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f4367 as the background.

Brands using this color

Fonts for this mood

#0f4367 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f4367
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 #0f4367 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f4367-9cafc4-df4e58-1f212d-e9f1f0?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