Color

#573ff3

#573ff3
hex#573ff3
rgbrgb(87, 63, 243)
hslhsl(248, 88%, 60%)
oklchoklch(0.52 0.252 279.1)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1205

Colors that go with #573ff3

Crimson, Olive Green and Charcoal 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 →

#dbf33f

#3f81f3 · #b13ff3

#f3573f · #3ff357

Split-complementary

Open in tool →

#f3b13f · #81f33f

#f33f81 · #dbf33f · #3ff3b1

Contrast

#573ff3 as textRatioAAAA largeAAAFix
Aaon white
6.16:1passpassfail
  • AAA: use #462cf2 as the text (7.23:1)
Aaon black
3.41:1failpassfail
  • AA: use #705cf5 as the text (4.54:1)
  • AAA: use #9687f7 as the text (7.11:1)
  • AA: or shift the background to #dedede (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 #573ff3 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

#573ff3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #573ff3
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 #573ff3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/573ff3-a69cc4-dfac4e-271f2d-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