Color

#563a8d

#563a8d
hex#563a8d
rgbrgb(86, 58, 141)
hslhsl(260, 42%, 39%)
oklchoklch(0.424 0.132 295.8)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0693

Tints & shades

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

Harmonies

Complementary

Open in tool →

#718d3a

#3a488d · #7f3a8d

#8d563a · #3a8d56

Split-complementary

Open in tool →

#8d7f3a · #488d3a

#8d3a48 · #718d3a · #3a8d7f

Contrast

#563a8d as textRatioAAAA largeAAAFix
Aaon white
8.8:1passpasspassPasses AAA — no fix needed.
Aaon black
2.39:1failfailfail
  • AA: use #8567c1 as the text (4.71:1)
  • AAA: use #a28bd0 as the text (7.14:1)
  • AA: or shift the background to #bababa (4.54:1)
  • AAA: or shift the background to #e6e6e6 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #563a8d 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

#563a8d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #563a8d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #563a8d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/563a8d-ae9cc4-dfc94e-2a1f2d-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