Color

#275cec

#275cec
hex#275cec
rgbrgb(39, 92, 236)
hslhsl(224, 84%, 54%)
oklchoklch(0.534 0.224 264.4)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1414

Colors that go with #275cec

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 →

#ecb827

#27beec · #5527ec

#ec275c · #5cec27

Split-complementary

Open in tool →

#ec5527 · #beec27

#ec27be · #ecb827 · #27ec55

Contrast

#275cec as textRatioAAAA largeAAAFix
Aaon white
5.49:1passpassfail
  • AAA: use #1347d8 as the text (7.19:1)
Aaon black
3.83:1failpassfail
  • AA: use #3f6dee as the text (4.63:1)
  • AAA: use #7295f3 as the text (7.31:1)
  • AA: or shift the background to #ebebeb (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #275cec as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#275cec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #275cec
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 #275cec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/275cec-9ca2c4-df724e-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