Color

#587b89

#587b89
hex#587b89
rgbrgb(88, 123, 137)
hslhsl(197, 22%, 44%)
oklchoklch(0.562 0.045 224.7)
Closest name: Citadel (#6a7f8b)Relative luminance 0.1805

Tints & shades

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

Harmonies

Complementary

Open in tool →

#896658

#58897e · #586289

#89587b · #7b8958

Split-complementary

Open in tool →

#895862 · #897e58

#7e5889 · #896658 · #628958

Contrast

#587b89 as textRatioAAAA largeAAAFix
Aaon white
4.56:1passpassfail
  • AAA: use #425c67 as the text (7.1:1)
Aaon black
4.61:1passpassfail
  • AAA: use #799ca9 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 #587b89 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 #587b89
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 #587b89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/587b89-9cb4c4-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