Color

#586684

#586684
hex#586684
rgbrgb(88, 102, 132)
hslhsl(221, 20%, 43%)
oklchoklch(0.51 0.051 265.2)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1324

Colors that go with #586684

Charcoal, Sea Green and Dark Olive Green 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 →

#847658

#587c84 · #605884

#845866 · #668458

Split-complementary

Open in tool →

#846058 · #7c8458

#84587c · #847658 · #588460

Contrast

#586684 as textRatioAAAA largeAAAFix
Aaon white
5.76:1passpassfail
  • AAA: use #4b5771 as the text (7.24:1)
Aaon black
3.65:1failpassfail
  • AA: use #667699 as the text (4.62:1)
  • AAA: use #8b97b1 as the text (7.16:1)
  • AA: or shift the background to #e6e6e6 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #586684 as the background.

Brands using this color

mcpConnect your agent — build around #586684
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 #586684 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/586684-9ca4c4-df6b4e-211f2d-e9eff1?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