Color

#3280e7

#3280e7
hex#3280e7
rgbrgb(50, 128, 231)
hslhsl(214, 79%, 55%)
oklchoklch(0.606 0.173 256.8)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2189

Colors that go with #3280e7

Charcoal, Crimson and Copper 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 →

#e79832

#32dbe7 · #3e32e7

#e73280 · #80e732

Split-complementary

Open in tool →

#e73e32 · #dbe732

#e732db · #e79832 · #32e73e

Contrast

#3280e7 as textRatioAAAA largeAAAFix
Aaon white
3.91:1failpassfail
  • AA: use #1b72e4 as the text (4.59:1)
  • AAA: use #1457ad as the text (7.01:1)
  • AA: or shift the background to #171717 (4.59:1)
Aaon black
5.38:1passpassfail
  • AAA: use #5697eb as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3280e7 as the background.

Brands using this color

Fonts for this mood

#3280e7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3280e7
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 #3280e7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3280e7-9ca9c4-df5a4e-1f1f2d-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