Color

#565a99

#565a99
hex#565a99
rgbrgb(86, 90, 153)
hslhsl(236, 28%, 47%)
oklchoklch(0.493 0.1 279.3)
Closest name: Passion Flower (#6f5698)Relative luminance 0.1159

Colors that go with #565a99

Charcoal, Amber and Blue 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 →

#999556

#567c99 · #735699

#99565b · #5b9956

Split-complementary

Open in tool →

#997356 · #7c9956

#99567c · #999556 · #569973

Contrast

#565a99 as textRatioAAAA largeAAAFix
Aaon white
6.33:1passpassfail
  • AAA: use #4f538c as the text (7.12:1)
Aaon black
3.32:1failpassfail
  • AA: use #6c70ac as the text (4.55:1)
  • AAA: use #9093c1 as the text (7.13:1)
  • AA: or shift the background to #dbdbdb (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #565a99 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 #565a99
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 #565a99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/565a99-9e9cc4-df8f4e-241f2d-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