Color

#563e89

#563e89
hex#563e89
rgbrgb(86, 62, 137)
hslhsl(259, 38%, 39%)
oklchoklch(0.428 0.121 295.6)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0723

Tints & shades

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

Harmonies

Complementary

Open in tool →

#71893e

#3e4c89 · #7b3e89

#89563e · #3e8956

Split-complementary

Open in tool →

#897b3e · #4c893e

#893e4c · #71893e · #3e897b

Contrast

#563e89 as textRatioAAAA largeAAAFix
Aaon white
8.59:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #8268bb as the text (4.65:1)
  • AAA: use #9f8bcb as the text (7.03:1)
  • AA: or shift the background to #bdbdbd (4.57:1)
  • AAA: or shift the background to #e8e8e8 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #563e89 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

#563e89 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #563e89
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 #563e89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/563e89-ad9cc4-dfc74e-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