Color

#536c8d

#536c8d
hex#536c8d
rgbrgb(83, 108, 141)
hslhsl(214, 26%, 44%)
oklchoklch(0.525 0.06 255.6)
Closest name: Harbour Blue (#417491)Relative luminance 0.1449

Colors that go with #536c8d

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 #536c8d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8d7453

#53898d · #57538d

#8d536c · #6c8d53

Split-complementary

Open in tool →

#8d5753 · #898d53

#8d5389 · #8d7453 · #538d57

Contrast

#536c8d as textRatioAAAA largeAAAFix
Aaon white
5.39:1passpassfail
  • AAA: use #445974 as the text (7.17:1)
Aaon black
3.9:1failpassfail
  • AA: use #5b769a as the text (4.5:1)
  • AAA: use #8298b5 as the text (7.11:1)
  • AA: or shift the background to #ebebeb (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #536c8d 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 #536c8d
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 #536c8d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/536c8d-9ca9c4-df5a4e-1f1f2d-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