Color

#3d64c7

#3d64c7
hex#3d64c7
rgbrgb(61, 100, 199)
hslhsl(223, 55%, 51%)
oklchoklch(0.529 0.161 265.2)
Closest name: God of Rain (#4466cc)Relative luminance 0.1423

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c7a03d

#3da9c7 · #5b3dc7

#c73d64 · #64c73d

Split-complementary

Open in tool →

#c75b3d · #a9c73d

#c73da9 · #c7a03d · #3dc75b

Contrast

#3d64c7 as textRatioAAAA largeAAAFix
Aaon white
5.46:1passpassfail
  • AAA: use #3154aa as the text (7.05:1)
Aaon black
3.85:1failpassfail
  • AA: use #4d71cb as the text (4.54:1)
  • AAA: use #7994d8 as the text (7.04:1)
  • AA: or shift the background to #ebebeb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d64c7 as the background.

Brands using this color

Fonts for this mood

#3d64c7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d64c7
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 #3d64c7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d64c7-9ca3c4-df704e-211f2d-e9eff1?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