Color

#0f80bd

#0f80bd
hex#0f80bd
rgbrgb(15, 128, 189)
hslhsl(201, 85%, 40%)
oklchoklch(0.573 0.13 241)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1921

Colors that go with #0f80bd

Charcoal, Crimson and Copper 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 →

#bd4c0f

#0fbda3 · #0f29bd

#bd0f80 · #80bd0f

Split-complementary

Open in tool →

#bd0f29 · #bda30f

#a30fbd · #bd4c0f · #29bd0f

Contrast

#0f80bd as textRatioAAAA largeAAAFix
Aaon white
4.34:1failpassfail
  • AA: use #0f7db8 as the text (4.52:1)
  • AAA: use #0b5d89 as the text (7.14:1)
  • AA: or shift the background to #0a0a0a (4.57:1)
Aaon black
4.84:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f80bd as the background.

Brands using this color

Fonts for this mood

#0f80bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f80bd
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 #0f80bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f80bd-9cb1c4-df4e62-1f222d-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