Color

#573fcf

#573fcf
hex#573fcf
rgbrgb(87, 63, 207)
hslhsl(250, 60%, 53%)
oklchoklch(0.487 0.21 283)
Closest name: Blurple (#5539cc)Relative luminance 0.1009

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b7cf3f

#3f6fcf · #9f3fcf

#cf573f · #3fcf57

Split-complementary

Open in tool →

#cf9f3f · #6fcf3f

#cf3f6f · #b7cf3f · #3fcf9f

Contrast

#573fcf as textRatioAAAA largeAAAFix
Aaon white
6.96:1passpassfail
  • AAA: use #543bce as the text (7.26:1)
Aaon black
3.02:1failpassfail
  • AA: use #7764d8 as the text (4.6:1)
  • AAA: use #9b8de2 as the text (7.3:1)
  • AA: or shift the background to #d1d1d1 (4.56:1)

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

#573fcf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/573fcf-a79cc4-dfb14e-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