Color

#596e88

#596e88
hex#596e88
rgbrgb(89, 110, 136)
hslhsl(213, 21%, 44%)
oklchoklch(0.531 0.048 254)
Closest name: Ashen Whisper (#646b7a)Relative luminance 0.1505

Colors that go with #596e88

Charcoal, Sea Green and Sienna 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 #596e88

Tints & shades

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

Harmonies

Complementary

Open in tool →

#887359

#598588 · #5b5988

#88596e · #6e8859

Split-complementary

Open in tool →

#885b59 · #858859

#885985 · #887359 · #59885b

Contrast

#596e88 as textRatioAAAA largeAAAFix
Aaon white
5.24:1passpassfail
  • AAA: use #495a6f as the text (7.06:1)
Aaon black
4.01:1failpassfail
  • AA: use #617894 as the text (4.62:1)
  • AAA: use #8497ae as the text (7.02:1)
  • AA: or shift the background to #f0f0f0 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #596e88 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 #596e88
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 #596e88 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/596e88-9ca9c4-df584e-1f202d-e9f0f1?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