Color

#559faf

#559faf
hex#559faf
rgbrgb(85, 159, 175)
hslhsl(191, 36%, 51%)
oklchoklch(0.661 0.077 213.4)
Closest name: Atlas Cedar (#5ca0a7)Relative luminance 0.2982

Colors that go with #559faf

Charcoal, Terracotta 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 #559faf

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af6655

#55af93 · #5572af

#af559f · #9faf55

Split-complementary

Open in tool →

#af5572 · #af9355

#9355af · #af6655 · #72af55

Contrast

#559faf as textRatioAAAA largeAAAFix
Aaon white
3.02:1failpassfail
  • AA: use #417d8b as the text (4.63:1)
  • AAA: use #315e68 as the text (7.16:1)
  • AA: or shift the background to #2e2e2e (4.5:1)
Aaon black
6.96:1passpassfail
  • AAA: use #59a1b1 as the text (7.16:1)

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

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

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

tool url/palettes/new/559faf-a2b6be-df4e7a-1f252d-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