Color

#3e5ce0

#3e5ce0
hex#3e5ce0
rgbrgb(62, 92, 224)
hslhsl(229, 72%, 56%)
oklchoklch(0.533 0.203 268.7)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1406

Colors that go with #3e5ce0

Charcoal, Sea Green 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 →

#e0c23e

#3eace0 · #713ee0

#e03e5c · #5ce03e

Split-complementary

Open in tool →

#e0713e · #ace03e

#e03eac · #e0c23e · #3ee071

Contrast

#3e5ce0 as textRatioAAAA largeAAAFix
Aaon white
5.51:1passpassfail
  • AAA: use #2445db as the text (7.12:1)
Aaon black
3.81:1failpassfail
  • AA: use #506ae2 as the text (4.5:1)
  • AAA: use #7b90ea as the text (7.02:1)
  • 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 #3e5ce0 as the background.

Brands using this color

Fonts for this mood

#3e5ce0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e5ce0
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 #3e5ce0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e5ce0-9c9fc4-df7e4e-231f2d-e9eef1?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