Color

#57588e

#57588e
hex#57588e
rgbrgb(87, 88, 142)
hslhsl(239, 24%, 45%)
oklchoklch(0.484 0.086 281.9)
Closest name: Freshly Purpleized (#5c5083)Relative luminance 0.1096

Colors that go with #57588e

Charcoal, Steel Blue 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.

Real palettes that use #57588e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e8d57

#57748e · #72578e

#8e5758 · #588e57

Split-complementary

Open in tool →

#8e7257 · #748e57

#8e5774 · #8e8d57 · #578e72

Contrast

#57588e as textRatioAAAA largeAAAFix
Aaon white
6.58:1passpassfail
  • AAA: use #535488 as the text (7.02:1)
Aaon black
3.19:1failpassfail
  • AA: use #7172a8 as the text (4.67:1)
  • AAA: use #9394bd as the text (7.21:1)
  • AA: or shift the background to #d6d6d6 (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 #57588e 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 #57588e
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 #57588e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57588e-a09cc4-df964e-251f2d-e9edf1?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