Color

#0180d5

#0180d5
hex#0180d5
rgbrgb(1, 128, 213)
hslhsl(204, 99%, 42%)
oklchoklch(0.587 0.159 248.4)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.2025

Colors that go with #0180d5

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 →

#d55601

#01d5c0 · #0116d5

#d50180 · #80d501

Split-complementary

Open in tool →

#d50116 · #d5c001

#c001d5 · #d55601 · #16d501

Contrast

#0180d5 as textRatioAAAA largeAAAFix
Aaon white
4.16:1failpassfail
  • AA: use #017acb as the text (4.52:1)
  • AAA: use #015c98 as the text (7.03:1)
  • AA: or shift the background to #121212 (4.5:1)
Aaon black
5.05:1passpassfail
  • AAA: use #069bfe as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0180d5 as the background.

Brands using this color

Fonts for this mood

#0180d5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0180d5
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 #0180d5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0180d5-9cafc4-df4e5a-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