Color

#559daf

#559daf
hex#559daf
rgbrgb(85, 157, 175)
hslhsl(192, 36%, 51%)
oklchoklch(0.656 0.077 216)
Closest name: Atlas Cedar (#5ca0a7)Relative luminance 0.2914

Colors that go with #559daf

Charcoal, Terracotta and Amber 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 #559daf

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af6755

#55af94 · #5570af

#af559d · #9daf55

Split-complementary

Open in tool →

#af5570 · #af9455

#9455af · #af6755 · #70af55

Contrast

#559daf as textRatioAAAA largeAAAFix
Aaon white
3.08:1failpassfail
  • AA: use #437f8e as the text (4.5:1)
  • AAA: use #315d68 as the text (7.25:1)
  • AA: or shift the background to #2b2b2b (4.6:1)
Aaon black
6.83:1passpassfail
  • AAA: use #599fb1 as the text (7.02:1)

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

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

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

tool url/palettes/new/559daf-a2b5be-df4e77-1f242d-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