Color

#559db9

#559db9
hex#559db9
rgbrgb(85, 157, 185)
hslhsl(197, 42%, 53%)
oklchoklch(0.66 0.083 225.6)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2955

Colors that go with #559db9

Charcoal, Amber 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.

Real palettes that use #559db9

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b97155

#55b9a4 · #556bb9

#b9559d · #9db955

Split-complementary

Open in tool →

#b9556b · #b9a455

#a455b9 · #b97155 · #6bb955

Contrast

#559db9 as textRatioAAAA largeAAAFix
Aaon white
3.04:1failpassfail
  • AA: use #3d7c94 as the text (4.66:1)
  • AAA: use #2e5d70 as the text (7.2:1)
  • AA: or shift the background to #2b2b2b (4.66:1)
Aaon black
6.91:1passpassfail
  • AAA: use #589fbb as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #559db9 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

#559db9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #559db9
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 #559db9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/559db9-9cb4c4-df4e6b-1f232d-e9f1ef?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