Color

#2758ec

#2758ec
hex#2758ec
rgbrgb(39, 88, 236)
hslhsl(225, 84%, 54%)
oklchoklch(0.527 0.229 265)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1347

Colors that go with #2758ec

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 →

#ecbb27

#27bbec · #5827ec

#ec2758 · #58ec27

Split-complementary

Open in tool →

#ec5827 · #bbec27

#ec27bb · #ecbb27 · #27ec58

Contrast

#2758ec as textRatioAAAA largeAAAFix
Aaon white
5.69:1passpassfail
  • AAA: use #1346dd as the text (7.12:1)
Aaon black
3.69:1failpassfail
  • AA: use #3f6bee as the text (4.55:1)
  • AAA: use #7292f3 as the text (7.12:1)
  • AA: or shift the background to #e6e6e6 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2758ec as the background.

Brands using this color

Fonts for this mood

#2758ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2758ec
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 #2758ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2758ec-9ca1c4-df754e-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