Color

#212fed

#212fed
hex#212fed
rgbrgb(33, 47, 237)
hslhsl(236, 85%, 53%)
oklchoklch(0.466 0.271 267.3)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0847

Colors that go with #212fed

Charcoal, Crimson and Cobalt Blue 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 →

#eddf21

#2195ed · #7a21ed

#ed212f · #2fed21

Split-complementary

Open in tool →

#ed7a21 · #95ed21

#ed2195 · #eddf21 · #21ed7a

Contrast

#212fed as textRatioAAAA largeAAAFix
Aaon white
7.79:1passpasspassPasses AAA — no fix needed.
Aaon black
2.69:1failfailfail
  • AA: use #5a64f2 as the text (4.54:1)
  • AAA: use #848cf5 as the text (7.05:1)
  • AA: or shift the background to #c7c7c7 (4.61:1)
  • AAA: or shift the background to #f5f5f5 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #212fed as the background.

Brands using this color

Fonts for this mood

#212fed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #212fed
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 #212fed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/212fed-9e9cc4-df8f4e-241f2d-e9eef1?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