Color

#3960fe

#3960fe
hex#3960fe
rgbrgb(57, 96, 254)
hslhsl(228, 99%, 61%)
oklchoklch(0.563 0.238 267.2)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1639

Colors that go with #3960fe

Charcoal, Crimson and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fed739

#39c3fe · #7439fe

#fe3960 · #60fe39

Split-complementary

Open in tool →

#fe7439 · #c3fe39

#fe39c3 · #fed739 · #39fe74

Contrast

#3960fe as textRatioAAAA largeAAAFix
Aaon white
4.91:1passpassfail
  • AAA: use #0134fe as the text (7.18:1)
Aaon black
4.28:1failpassfail
  • AA: use #4369fe as the text (4.69:1)
  • AAA: use #7691fe as the text (7.25:1)
  • AA: or shift the background to #f5f5f5 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3960fe as the background.

Brands using this color

Fonts for this mood

#3960fe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3960fe
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3960fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3960fe-9c9fc4-df7c4e-231f2d-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