Color

#53677f

#53677f
hex#53677f
rgbrgb(83, 103, 127)
hslhsl(213, 21%, 41%)
oklchoklch(0.507 0.045 253.3)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1307

Colors that go with #53677f

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7f6b53

#537c7f · #55537f

#7f5366 · #667f53

Split-complementary

Open in tool →

#7f5553 · #7c7f53

#7f537c · #7f6b53 · #537f55

Contrast

#53677f as textRatioAAAA largeAAAFix
Aaon white
5.81:1passpassfail
  • AAA: use #495a6f as the text (7.06:1)
Aaon black
3.61:1failpassfail
  • AA: use #617894 as the text (4.62:1)
  • AAA: use #8497ae as the text (7.02:1)
  • AA: or shift the background to #e3e3e3 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #53677f as the background.

Brands using this color

mcpConnect your agent — build around #53677f
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 #53677f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/53677f-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