Color

#0f4e6b

#0f4e6b
hex#0f4e6b
rgbrgb(15, 78, 107)
hslhsl(199, 75%, 24%)
oklchoklch(0.401 0.077 234.3)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0661

Colors that go with #0f4e6b

Crimson, Royal Blue and Teal 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 →

#6b2c0f

#0f6b5a · #0f206b

#6b0f4e · #4e6b0f

Split-complementary

Open in tool →

#6b0f20 · #6b5a0f

#5a0f6b · #6b2c0f · #206b0f

Contrast

#0f4e6b as textRatioAAAA largeAAAFix
Aaon white
9.04:1passpasspassPasses AAA — no fix needed.
Aaon black
2.32:1failfailfail
  • AA: use #187caa as the text (4.5:1)
  • AAA: use #1f9fdb as the text (7.04:1)
  • AA: or shift the background to #b8b8b8 (4.56:1)
  • AAA: or shift the background to #e3e3e3 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f4e6b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0f4e6b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f4e6b
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 #0f4e6b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f4e6b-9cb3c4-df4e66-1f232d-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