Color

#596f78

#596f78
hex#596f78
rgbrgb(89, 111, 120)
hslhsl(197, 15%, 41%)
oklchoklch(0.527 0.03 224.7)
Closest name: Batman (#656e72)Relative luminance 0.1485

Tints & shades

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

Harmonies

Complementary

Open in tool →

#786259

#597871 · #596078

#78596f · #6f7859

Split-complementary

Open in tool →

#785960 · #787159

#715978 · #786259 · #607859

Contrast

#596f78 as textRatioAAAA largeAAAFix
Aaon white
5.29:1passpassfail
  • AAA: use #485a61 as the text (7.21:1)
Aaon black
3.97:1failpassfail
  • AA: use #627a84 as the text (4.64:1)
  • AAA: use #849ba4 as the text (7.21:1)
  • AA: or shift the background to #ededed (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #596f78 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 #596f78
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 #596f78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/596f78-9cb4c4-df4e6b-1f232d-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