Color

#563da4

#563da4
hex#563da4
rgbrgb(86, 61, 164)
hslhsl(255, 46%, 44%)
oklchoklch(0.446 0.158 289.6)
Closest name: Blueberry (#464196)Relative luminance 0.08

Colors that go with #563da4

Charcoal, Royal Blue and Sea 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8aa43d

#3d56a4 · #8a3da4

#a4563d · #3da456

Split-complementary

Open in tool →

#a48a3d · #56a43d

#a43d56 · #8aa43d · #3da48a

Contrast

#563da4 as textRatioAAAA largeAAAFix
Aaon white
8.08:1passpasspassPasses AAA — no fix needed.
Aaon black
2.6:1failfailfail
  • AA: use #7e66c7 as the text (4.61:1)
  • AAA: use #9e8cd4 as the text (7.16:1)
  • AA: or shift the background to #c2c2c2 (4.54:1)
  • AAA: or shift the background to #f0f0f0 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #563da4 as the background.

Brands using this color

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

Fonts for this mood

#563da4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #563da4
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 #563da4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/563da4-ab9cc4-dfbd4e-291f2d-e9ebf1?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