Color

#599cb1

#599cb1
hex#599cb1
rgbrgb(89, 156, 177)
hslhsl(194, 36%, 52%)
oklchoklch(0.656 0.075 220.3)
Closest name: Atlas Cedar (#5ca0a7)Relative luminance 0.2908

Colors that go with #599cb1

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 #599cb1

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b16d59

#59b199 · #5970b1

#b1599c · #9cb159

Split-complementary

Open in tool →

#b15970 · #b19959

#9959b1 · #b16d59 · #70b159

Contrast

#599cb1 as textRatioAAAA largeAAAFix
Aaon white
3.08:1failpassfail
  • AA: use #437d8e as the text (4.6:1)
  • AAA: use #335e6c as the text (7.1:1)
  • AA: or shift the background to #2b2b2b (4.59:1)
Aaon black
6.82:1passpassfail
  • AAA: use #5fa0b4 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 #599cb1 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

#599cb1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #599cb1
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 #599cb1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/599cb1-9cb6c4-df4e72-1f242d-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