Color

#575e7f

#575e7f
hex#575e7f
rgbrgb(87, 94, 127)
hslhsl(229, 19%, 42%)
oklchoklch(0.489 0.054 275)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1156

Colors that go with #575e7f

Charcoal, Sea Green and Steel Blue 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 →

#7f7857

#57737f · #64577f

#7f575e · #5e7f57

Split-complementary

Open in tool →

#7f6457 · #737f57

#7f5773 · #7f7857 · #577f64

Contrast

#575e7f as textRatioAAAA largeAAAFix
Aaon white
6.34:1passpassfail
  • AAA: use #515776 as the text (7.06:1)
Aaon black
3.31:1failpassfail
  • AA: use #6a739a as the text (4.53:1)
  • AAA: use #8f95b3 as the text (7.12:1)
  • AA: or shift the background to #dbdbdb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #575e7f as the background.

Brands using this color

mcpConnect your agent — build around #575e7f
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 #575e7f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/575e7f-9c9fc4-df7e4e-231f2d-e9eef1?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