Color

#575fff

#575fff
hex#575fff
rgbrgb(87, 95, 255)
hslhsl(237, 100%, 67%)
oklchoklch(0.577 0.233 274.2)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1743

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fff757

#57b3ff · #a257ff

#ff575f · #5fff57

Split-complementary

Open in tool →

#ffa257 · #b3ff57

#ff57b3 · #fff757 · #57ffa2

Contrast

#575fff as textRatioAAAA largeAAAFix
Aaon white
4.68:1passpassfail
  • AAA: use #242fff as the text (7.18:1)
Aaon black
4.49:1failpassfail
  • AA: use #5c64ff as the text (4.72:1)
  • AAA: use #858bff as the text (7.13:1)
  • AA: or shift the background to #fcfcfc (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 #575fff as the background.

Brands using this color

Fonts for this mood

#575fff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #575fff
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 #575fff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/575fff-9f9cc4-df924e-251f2d-e9edf1?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