Color

#596591

#596591
hex#596591
rgbrgb(89, 101, 145)
hslhsl(227, 24%, 46%)
oklchoklch(0.515 0.071 272)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1348

Colors that go with #596591

Charcoal, Sea Green and Dark Olive Green 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 →

#918559

#598191 · #695991

#915965 · #659159

Split-complementary

Open in tool →

#916959 · #819159

#915981 · #918559 · #599169

Contrast

#596591 as textRatioAAAA largeAAAFix
Aaon white
5.68:1passpassfail
  • AAA: use #4c567b as the text (7.18:1)
Aaon black
3.7:1failpassfail
  • AA: use #6774a2 as the text (4.6:1)
  • AAA: use #8a94b7 as the text (7:1)
  • AA: or shift the background to #e6e6e6 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #596591 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #596591
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 #596591 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/596591-9ca0c4-df7a4e-221f2d-e9eff1?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