Color

#58647e

#58647e
hex#58647e
rgbrgb(88, 100, 126)
hslhsl(221, 18%, 42%)
oklchoklch(0.503 0.044 265.5)
Closest name: Admiral Blue (#50647f)Relative luminance 0.127

Colors that go with #58647e

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 →

#7e7258

#58777e · #5f587e

#7e5864 · #647e58

Split-complementary

Open in tool →

#7e5f58 · #777e58

#7e5877 · #7e7258 · #587e5f

Contrast

#58647e as textRatioAAAA largeAAAFix
Aaon white
5.93:1passpassfail
  • AAA: use #4d586f as the text (7.14:1)
Aaon black
3.54:1failpassfail
  • AA: use #667593 as the text (4.53:1)
  • AAA: use #8d98b0 as the text (7.25:1)
  • AA: or shift the background to #e3e3e3 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #58647e as the background.

Brands using this color

mcpConnect your agent — build around #58647e
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 #58647e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/58647e-9ca4c4-df6b4e-211f2d-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