Color

#5d647e

#5d647e
hex#5d647e
rgbrgb(93, 100, 126)
hslhsl(227, 15%, 43%)
oklchoklch(0.507 0.042 273.1)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1295

Colors that go with #5d647e

Charcoal, Sea Green and Amber 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 →

#7e775d

#5d757e · #675d7e

#7e5d64 · #647e5d

Split-complementary

Open in tool →

#7e675d · #757e5d

#7e5d75 · #7e775d · #5d7e67

Contrast

#5d647e as textRatioAAAA largeAAAFix
Aaon white
5.85:1passpassfail
  • AAA: use #50566d as the text (7.26:1)
Aaon black
3.59:1failpassfail
  • AA: use #6c7593 as the text (4.6:1)
  • AAA: use #9096ad as the text (7.15:1)
  • AA: or shift the background to #e3e3e3 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5d647e as the background.

Brands using this color

mcpConnect your agent — build around #5d647e
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 #5d647e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5d647e-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