Color

#3f69ca

#3f69ca
hex#3f69ca
rgbrgb(63, 105, 202)
hslhsl(222, 57%, 52%)
oklchoklch(0.542 0.158 264.2)
Closest name: God of Rain (#4466cc)Relative luminance 0.1542

Tints & shades

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

Harmonies

Complementary

Open in tool →

#caa13f

#3faeca · #5b3fca

#ca3f69 · #69ca3f

Split-complementary

Open in tool →

#ca5b3f · #aeca3f

#ca3fae · #caa13f · #3fca5b

Contrast

#3f69ca as textRatioAAAA largeAAAFix
Aaon white
5.14:1passpassfail
  • AAA: use #2e53a8 as the text (7.19:1)
Aaon black
4.08:1failpassfail
  • AA: use #4b72ce as the text (4.6:1)
  • AAA: use #7795da as the text (7.1:1)
  • AA: or shift the background to #f0f0f0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f69ca 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

#3f69ca reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f69ca
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 #3f69ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f69ca-9ca3c4-df6e4e-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