Color

#586389

#586389
hex#586389
rgbrgb(88, 99, 137)
hslhsl(227, 22%, 44%)
oklchoklch(0.506 0.062 271.6)
Closest name: Admiral Blue (#50647f)Relative luminance 0.128

Colors that go with #586389

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 →

#897e58

#587b89 · #665889

#895862 · #628958

Split-complementary

Open in tool →

#896658 · #7b8958

#89587b · #897e58 · #588966

Contrast

#586389 as textRatioAAAA largeAAAFix
Aaon white
5.9:1passpassfail
  • AAA: use #4e5779 as the text (7.09:1)
Aaon black
3.56:1failpassfail
  • AA: use #6a75a0 as the text (4.66:1)
  • AAA: use #8c95b5 as the text (7.08:1)
  • AA: or shift the background to #e3e3e3 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #586389 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 #586389
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 #586389 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/586389-9ca0c4-df7a4e-221f2d-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