Color

#519088

#519088
hex#519088
rgbrgb(81, 144, 136)
hslhsl(172, 28%, 44%)
oklchoklch(0.609 0.067 185.2)
Closest name: Highlands (#449084)Relative luminance 0.2347

Colors that go with #519088

Charcoal, Copper and Crimson 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 #519088

Tints & shades

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

Harmonies

Complementary

Open in tool →

#905159

#519068 · #517990

#875190 · #908751

Split-complementary

Open in tool →

#905179 · #906851

#685190 · #905159 · #799051

Contrast

#519088 as textRatioAAAA largeAAAFix
Aaon white
3.69:1failpassfail
  • AA: use #487f78 as the text (4.58:1)
  • AAA: use #355f59 as the text (7.16:1)
  • AA: or shift the background to #1c1c1c (4.62:1)
Aaon black
5.69:1passpassfail
  • AAA: use #5ca39a as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #519088 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 #519088
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 #519088 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/519088-a2bebe-d459a5-1f292d-e9f1ec?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