Color

#5871ad

#5871ad
hex#5871ad
rgbrgb(88, 113, 173)
hslhsl(222, 34%, 51%)
oklchoklch(0.556 0.098 266.1)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.169

Colors that go with #5871ad

Charcoal, Sea Green and Amber 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 →

#ad9358

#589cad · #6958ad

#ad5871 · #71ad58

Split-complementary

Open in tool →

#ad6958 · #9cad58

#ad589c · #ad9358 · #58ad69

Contrast

#5871ad as textRatioAAAA largeAAAFix
Aaon white
4.79:1passpassfail
  • AAA: use #435889 as the text (7.01:1)
Aaon black
4.38:1failpassfail
  • AA: use #5b74ae as the text (4.55:1)
  • AAA: use #8497c2 as the text (7.19:1)
  • AA: or shift the background to #fafafa (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5871ad 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 #5871ad
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 #5871ad and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5871ad-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