Color

#0180da

#0180da
hex#0180da
rgbrgb(1, 128, 218)
hslhsl(205, 99%, 43%)
oklchoklch(0.59 0.165 249.7)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.2051

Colors that go with #0180da

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 →

#da5c01

#01dac8 · #0113da

#da0180 · #80da01

Split-complementary

Open in tool →

#da0113 · #dac801

#c801da · #da5c01 · #13da01

Contrast

#0180da as textRatioAAAA largeAAAFix
Aaon white
4.12:1failpassfail
  • AA: use #0177cb as the text (4.66:1)
  • AAA: use #015998 as the text (7.28:1)
  • AA: or shift the background to #121212 (4.55:1)
Aaon black
5.1:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0180da as the background.

Brands using this color

Fonts for this mood

#0180da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0180da
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 #0180da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0180da-9cafc4-df4e58-1f212d-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