Color

#573dc7

#573dc7
hex#573dc7
rgbrgb(87, 61, 199)
hslhsl(251, 55%, 51%)
oklchoklch(0.477 0.202 284.3)
Closest name: Blurple (#5539cc)Relative luminance 0.0949

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aec73d

#3d69c7 · #9b3dc7

#c7573d · #3dc757

Split-complementary

Open in tool →

#c79b3d · #69c73d

#c73d69 · #aec73d · #3dc79b

Contrast

#573dc7 as textRatioAAAA largeAAAFix
Aaon white
7.25:1passpasspassPasses AAA — no fix needed.
Aaon black
2.9:1failfailfail
  • AA: use #7965d2 as the text (4.61:1)
  • AAA: use #9b8cde as the text (7.2:1)
  • AA: or shift the background to #cccccc (4.51:1)
  • AAA: or shift the background to #fcfcfc (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #573dc7 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

#573dc7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #573dc7
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 #573dc7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/573dc7-a89cc4-dfb34e-281f2d-e9ecf1?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