Color

#599bc5

#599bc5
hex#599bc5
rgbrgb(89, 155, 197)
hslhsl(203, 48%, 56%)
oklchoklch(0.662 0.092 238.2)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.296

Colors that go with #599bc5

Charcoal, Peru 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 #599bc5

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c58259

#59c5b8 · #5966c5

#c5599b · #9bc559

Split-complementary

Open in tool →

#c55966 · #c5b859

#b859c5 · #c58259 · #66c559

Contrast

#599bc5 as textRatioAAAA largeAAAFix
Aaon white
3.03:1failpassfail
  • AA: use #3a7da6 as the text (4.5:1)
  • AAA: use #2a5b79 as the text (7.31:1)
  • AA: or shift the background to #2b2b2b (4.67:1)
Aaon black
6.92:1passpassfail
  • AAA: use #5d9ec6 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #599bc5 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

#599bc5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #599bc5
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 #599bc5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/599bc5-9cb0c4-df4e5d-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