Color

#573cdd

#573cdd
hex#573cdd
rgbrgb(87, 60, 221)
hslhsl(250, 70%, 55%)
oklchoklch(0.495 0.229 281.7)
Closest name: Blurple (#5539cc)Relative luminance 0.1048

Colors that go with #573cdd

Charcoal, Sea Green and Amber 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 →

#c2dd3c

#3c71dd · #a73cdd

#dd573c · #3cdd57

Split-complementary

Open in tool →

#dda73c · #71dd3c

#dd3c71 · #c2dd3c · #3cdda7

Contrast

#573cdd as textRatioAAAA largeAAAFix
Aaon white
6.78:1passpassfail
  • AAA: use #5338dc as the text (7.08:1)
Aaon black
3.1:1failpassfail
  • AA: use #755fe3 as the text (4.5:1)
  • AAA: use #9a8aea as the text (7.2:1)
  • AA: or shift the background to #d4d4d4 (4.58:1)

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

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

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

tool url/palettes/new/573cdd-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