Color

#3e67ef

#3e67ef
hex#3e67ef
rgbrgb(62, 103, 239)
hslhsl(226, 85%, 59%)
oklchoklch(0.565 0.21 266.7)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1696

Colors that go with #3e67ef

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 →

#efc63e

#3ec0ef · #6d3eef

#ef3e67 · #67ef3e

Split-complementary

Open in tool →

#ef6d3e · #c0ef3e

#ef3ec0 · #efc63e · #3eef6d

Contrast

#3e67ef as textRatioAAAA largeAAAFix
Aaon white
4.78:1passpassfail
  • AAA: use #1243e2 as the text (7.18:1)
Aaon black
4.39:1failpassfail
  • AA: use #426bf0 as the text (4.59:1)
  • AAA: use #7694f4 as the text (7.31:1)
  • AA: or shift the background to #fafafa (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 #3e67ef as the background.

Brands using this color

Fonts for this mood

#3e67ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e67ef
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 #3e67ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e67ef-9ca1c4-df774e-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