Color

#3672e2

#3672e2
hex#3672e2
rgbrgb(54, 114, 226)
hslhsl(219, 75%, 55%)
oklchoklch(0.574 0.182 261.5)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1831

Colors that go with #3672e2

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 →

#e2a636

#36c8e2 · #5036e2

#e23672 · #72e236

Split-complementary

Open in tool →

#e25036 · #c8e236

#e236c8 · #e2a636 · #36e250

Contrast

#3672e2 as textRatioAAAA largeAAAFix
Aaon white
4.5:1passpassfail
  • AAA: use #1a51b7 as the text (7.23:1)
Aaon black
4.66:1passpassfail
  • AAA: use #6795e9 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3672e2 as the background.

Brands using this color

Fonts for this mood

#3672e2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3672e2
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 #3672e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3672e2-9ca5c4-df664e-211f2d-e9f0f1?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