Color

#3f62ca

#3f62ca
hex#3f62ca
rgbrgb(63, 98, 202)
hslhsl(225, 57%, 52%)
oklchoklch(0.528 0.166 266.6)
Closest name: God of Rain (#4466cc)Relative luminance 0.1406

Tints & shades

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

Harmonies

Complementary

Open in tool →

#caa73f

#3fa7ca · #623fca

#ca3f62 · #62ca3f

Split-complementary

Open in tool →

#ca623f · #a7ca3f

#ca3fa7 · #caa73f · #3fca62

Contrast

#3f62ca as textRatioAAAA largeAAAFix
Aaon white
5.51:1passpassfail
  • AAA: use #3152b4 as the text (7.01:1)
Aaon black
3.81:1failpassfail
  • AA: use #4f6fcf as the text (4.51:1)
  • AAA: use #7b93db as the text (7.04:1)
  • AA: or shift the background to #ebebeb (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f62ca as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#3f62ca reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f62ca
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 #3f62ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f62ca-9ca1c4-df754e-221f2d-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