Color

#566bc8

#566bc8
hex#566bc8
rgbrgb(86, 107, 200)
hslhsl(229, 51%, 56%)
oklchoklch(0.558 0.145 271.4)
Closest name: God of Rain (#4466cc)Relative luminance 0.1666

Colors that go with #566bc8

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 →

#c8b356

#56a4c8 · #7a56c8

#c8566b · #6bc856

Split-complementary

Open in tool →

#c87a56 · #a4c856

#c856a4 · #c8b356 · #56c87a

Contrast

#566bc8 as textRatioAAAA largeAAAFix
Aaon white
4.85:1passpassfail
  • AAA: use #394fb1 as the text (7.17:1)
Aaon black
4.33:1failpassfail
  • AA: use #5d71cb as the text (4.69:1)
  • AAA: use #8493d7 as the text (7.14:1)
  • AA: or shift the background to #f7f7f7 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #566bc8 as the background.

Brands using this color

Fonts for this mood

#566bc8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #566bc8
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 #566bc8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/566bc8-9c9fc4-df7e4e-231f2d-e9eef1?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