Color

#0f6471

#0f6471
hex#0f6471
rgbrgb(15, 100, 113)
hslhsl(188, 77%, 25%)
oklchoklch(0.463 0.076 211)
Closest name: Aqua Obscura (#05696b)Relative luminance 0.1041

Colors that go with #0f6471

Steel Blue, Rust 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 →

#711c0f

#0f714d · #0f3371

#710f64 · #64710f

Split-complementary

Open in tool →

#710f33 · #714d0f

#4d0f71 · #711c0f · #33710f

Contrast

#0f6471 as textRatioAAAA largeAAAFix
Aaon white
6.81:1passpassfail
  • AAA: use #0e606c as the text (7.22:1)
Aaon black
3.08:1failpassfail
  • AA: use #138090 as the text (4.52:1)
  • AAA: use #18a4b9 as the text (7.05:1)
  • AA: or shift the background to #d4d4d4 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f6471 as the background.

Brands using this color

Fonts for this mood

#0f6471 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f6471
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 #0f6471 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f6471-a2b7be-df4e81-1f252d-e9f1ee?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