Color

#0f5375

#0f5375
hex#0f5375
rgbrgb(15, 83, 117)
hslhsl(200, 77%, 26%)
oklchoklch(0.42 0.085 236.8)
Closest name: Beyond the Sea (#005784)Relative luminance 0.0757

Colors that go with #0f5375

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 →

#75310f

#0f7564 · #0f2075

#750f53 · #53750f

Split-complementary

Open in tool →

#750f20 · #75640f

#640f75 · #75310f · #20750f

Contrast

#0f5375 as textRatioAAAA largeAAAFix
Aaon white
8.35:1passpasspassPasses AAA — no fix needed.
Aaon black
2.51:1failfailfail
  • AA: use #177db0 as the text (4.6:1)
  • AAA: use #1da0e2 as the text (7.18:1)
  • AA: or shift the background to #bfbfbf (4.54:1)
  • AAA: or shift the background to #ebebeb (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 #0f5375 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

#0f5375 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f5375
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 #0f5375 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f5375-9cb2c4-df4e64-1f232d-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