Color

#5786cb

#5786cb
hex#5786cb
rgbrgb(87, 134, 203)
hslhsl(216, 53%, 57%)
oklchoklch(0.617 0.117 257.9)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2339

Colors that go with #5786cb

Charcoal, Copper 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 →

#cb9d57

#57c0cb · #6357cb

#cb5786 · #86cb57

Split-complementary

Open in tool →

#cb6357 · #c0cb57

#cb57c0 · #cb9d57 · #57cb63

Contrast

#5786cb as textRatioAAAA largeAAAFix
Aaon white
3.7:1failpassfail
  • AA: use #4075c4 as the text (4.61:1)
  • AAA: use #2e5794 as the text (7.22:1)
  • AA: or shift the background to #1c1c1c (4.61:1)
Aaon black
5.68:1passpassfail
  • AAA: use #6f97d3 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5786cb as the background.

Brands using this color

Fonts for this mood

#5786cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5786cb
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 #5786cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5786cb-9ca7c4-df5f4e-201f2d-e9f0f1?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