Color

#5766ea

#5766ea
hex#5766ea
rgbrgb(87, 102, 234)
hslhsl(234, 78%, 63%)
oklchoklch(0.573 0.198 273.5)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1747

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eadc57

#57afea · #9257ea

#ea5766 · #66ea57

Split-complementary

Open in tool →

#ea9257 · #afea57

#ea57af · #eadc57 · #57ea92

Contrast

#5766ea as textRatioAAAA largeAAAFix
Aaon white
4.67:1passpassfail
  • AAA: use #2a3ce5 as the text (7.3:1)
Aaon black
4.49:1failpassfail
  • AA: use #5c6aeb as the text (4.72:1)
  • AAA: use #848ff0 as the text (7.17:1)
  • AA: or shift the background to #fcfcfc (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5766ea as the background.

Brands using this color

Fonts for this mood

#5766ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5766ea
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 #5766ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5766ea-9d9cc4-df8a4e-241f2d-e9eef1?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