Color

#57919e

#57919e
hex#57919e
rgbrgb(87, 145, 158)
hslhsl(191, 29%, 48%)
oklchoklch(0.622 0.064 213.6)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2475

Colors that go with #57919e

Charcoal, Copper and Cobalt 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 →

#9e6457

#579e87 · #576d9e

#9e5791 · #919e57

Split-complementary

Open in tool →

#9e576d · #9e8757

#87579e · #9e6457 · #6d9e57

Contrast

#57919e as textRatioAAAA largeAAAFix
Aaon white
3.53:1failpassfail
  • AA: use #4a7c87 as the text (4.64:1)
  • AAA: use #385e66 as the text (7.09:1)
  • AA: or shift the background to #212121 (4.56:1)
Aaon black
5.95:1passpassfail
  • AAA: use #689fac as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #57919e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #57919e
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 #57919e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57919e-a2b6be-df4e7a-1f252d-e9f1ef?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