Color

#57597f

#57597f
hex#57597f
rgbrgb(87, 89, 127)
hslhsl(237, 19%, 42%)
oklchoklch(0.478 0.061 281.5)
Closest name: Deep Indigo (#4c567a)Relative luminance 0.107

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7f7d57

#576d7f · #69577f

#7f5759 · #597f57

Split-complementary

Open in tool →

#7f6957 · #6d7f57

#7f576d · #7f7d57 · #577f69

Contrast

#57597f as textRatioAAAA largeAAAFix
Aaon white
6.69:1passpassfail
  • AAA: use #535579 as the text (7.13:1)
Aaon black
3.14:1failpassfail
  • AA: use #70739e as the text (4.63:1)
  • AAA: use #9294b5 as the text (7.13:1)
  • AA: or shift the background to #d4d4d4 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #57597f 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 #57597f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #57597f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57597f-9f9cc4-df924e-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