Color

#586d9d

#586d9d
hex#586d9d
rgbrgb(88, 109, 157)
hslhsl(222, 28%, 48%)
oklchoklch(0.538 0.08 265.7)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1545

Colors that go with #586d9d

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.

Real palettes that use #586d9d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9d8858

#588f9d · #66589d

#9d586d · #6d9d58

Split-complementary

Open in tool →

#9d6658 · #8f9d58

#9d588f · #9d8858 · #589d66

Contrast

#586d9d as textRatioAAAA largeAAAFix
Aaon white
5.14:1passpassfail
  • AAA: use #48587f as the text (7.05:1)
Aaon black
4.09:1failpassfail
  • AA: use #5f74a5 as the text (4.53:1)
  • AAA: use #8696bb as the text (7.09:1)
  • AA: or shift the background to #f0f0f0 (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 #586d9d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #586d9d
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 #586d9d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/586d9d-9ca3c4-df6e4e-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