Color

#5d66ea

#5d66ea
hex#5d66ea
rgbrgb(93, 102, 234)
hslhsl(236, 77%, 64%)
oklchoklch(0.576 0.196 275.4)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1777

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eae05d

#5dadea · #9a5dea

#ea5d66 · #66ea5d

Split-complementary

Open in tool →

#ea9a5d · #adea5d

#ea5dad · #eae05d · #5dea9a

Contrast

#5d66ea as textRatioAAAA largeAAAFix
Aaon white
4.61:1passpassfail
  • AAA: use #2f3be4 as the text (7.33:1)
Aaon black
4.55:1passpassfail
  • AAA: use #8a90f0 as the text (7.33:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5d66ea as the background.

Brands using this color

Fonts for this mood

#5d66ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5d66ea
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 #5d66ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5d66ea-9e9cc4-df8f4e-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