Color

#6363ee

#6363ee
hex#6363ee
rgbrgb(99, 99, 238)
hslhsl(240, 80%, 66%)
oklchoklch(0.578 0.204 277.9)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1775

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eeee63

#63a8ee · #a863ee

#ee6363 · #63ee63

Split-complementary

Open in tool →

#eea863 · #a8ee63

#ee63a8 · #eeee63 · #63eea8

Contrast

#6363ee as textRatioAAAA largeAAAFix
Aaon white
4.62:1passpassfail
  • AAA: use #3a3ae9 as the text (7.09:1)
Aaon black
4.55:1passpassfail
  • AAA: use #8c8cf2 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6363ee as the background.

Brands using this color

Fonts for this mood

#6363ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6363ee
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 #6363ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6363ee-a19cc4-df994e-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