Color

#276fec

#276fec
hex#276fec
rgbrgb(39, 111, 236)
hslhsl(218, 84%, 54%)
oklchoklch(0.571 0.202 260.7)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1786

Colors that go with #276fec

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 →

#eca427

#27d2ec · #4127ec

#ec276f · #6fec27

Split-complementary

Open in tool →

#ec4127 · #d2ec27

#ec27d2 · #eca427 · #27ec41

Contrast

#276fec as textRatioAAAA largeAAAFix
Aaon white
4.59:1passpassfail
  • AAA: use #1151c0 as the text (7.09:1)
Aaon black
4.57:1passpassfail
  • AAA: use #5f95f1 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 #276fec as the background.

Brands using this color

Fonts for this mood

#276fec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #276fec
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 #276fec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/276fec-9ca6c4-df644e-201f2d-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