Color

#5b63cd

#5b63cd
hex#5b63cd
rgbrgb(91, 99, 205)
hslhsl(236, 53%, 58%)
oklchoklch(0.549 0.162 276.4)
Closest name: God of Rain (#4466cc)Relative luminance 0.1556

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cdc55b

#5b9bcd · #8c5bcd

#cd5b63 · #63cd5b

Split-complementary

Open in tool →

#cd8c5b · #9bcd5b

#cd5b9b · #cdc55b · #5bcd8c

Contrast

#5b63cd as textRatioAAAA largeAAAFix
Aaon white
5.11:1passpassfail
  • AAA: use #4049c4 as the text (7.08:1)
Aaon black
4.11:1failpassfail
  • AA: use #676ed0 as the text (4.72:1)
  • AAA: use #8a8fdb as the text (7.03:1)
  • AA: or shift the background to #f2f2f2 (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 #5b63cd as the background.

Brands using this color

Fonts for this mood

#5b63cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b63cd
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 #5b63cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b63cd-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