Color

#3e72ea

#3e72ea
hex#3e72ea
rgbrgb(62, 114, 234)
hslhsl(222, 80%, 58%)
oklchoklch(0.583 0.19 263.8)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.19

Colors that go with #3e72ea

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 →

#eab63e

#3ec7ea · #603eea

#ea3e72 · #72ea3e

Split-complementary

Open in tool →

#ea603e · #c7ea3e

#ea3ec7 · #eab63e · #3eea60

Contrast

#3e72ea as textRatioAAAA largeAAAFix
Aaon white
4.38:1failpassfail
  • AA: use #3a6ee9 as the text (4.58:1)
  • AAA: use #164cca as the text (7.19:1)
  • AA: or shift the background to #0a0a0a (4.53:1)
Aaon black
4.8:1passpassfail
  • AAA: use #6c93ef as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e72ea as the background.

Brands using this color

Fonts for this mood

#3e72ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e72ea
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 #3e72ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e72ea-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