Color

#2f80ac

#2f80ac
hex#2f80ac
rgbrgb(47, 128, 172)
hslhsl(201, 57%, 43%)
oklchoklch(0.571 0.103 236.5)
Closest name: steelblue (#4682b4)Relative luminance 0.1902

Colors that go with #2f80ac

Charcoal, Crimson and Royal 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 →

#ac5b2f

#2fac99 · #2f42ac

#ac2f80 · #80ac2f

Split-complementary

Open in tool →

#ac2f42 · #ac992f

#992fac · #ac5b2f · #42ac2f

Contrast

#2f80ac as textRatioAAAA largeAAAFix
Aaon white
4.37:1failpassfail
  • AA: use #2e7da8 as the text (4.55:1)
  • AAA: use #225d7c as the text (7.18:1)
  • AA: or shift the background to #0a0a0a (4.53:1)
Aaon black
4.8:1passpassfail
  • AAA: use #479ecd as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f80ac as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2f80ac reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f80ac
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 #2f80ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f80ac-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