Color

#59a0cf

#59a0cf
hex#59a0cf
rgbrgb(89, 160, 207)
hslhsl(204, 55%, 58%)
oklchoklch(0.678 0.1 239.5)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.3177

Colors that go with #59a0cf

Charcoal, Medium Sea Green and Peru 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 →

#cf8859

#59cfc3 · #5965cf

#cf59a0 · #a0cf59

Split-complementary

Open in tool →

#cf5965 · #cfc359

#c359cf · #cf8859 · #65cf59

Contrast

#59a0cf as textRatioAAAA largeAAAFix
Aaon white
2.86:1failfailfail
  • AA: use #317aaa as the text (4.67:1)
  • AAA: use #265d82 as the text (7.07:1)
  • AA: or shift the background to #303030 (4.62:1)
  • AAA: or shift the background to #080808 (7.01:1)
Aaon black
7.35:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #59a0cf 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

#59a0cf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #59a0cf
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 #59a0cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59a0cf-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