Color

#214be4

#214be4
hex#214be4
rgbrgb(33, 75, 228)
hslhsl(227, 78%, 51%)
oklchoklch(0.495 0.234 265.6)
Closest name: C64 Blue (#003aff)Relative luminance 0.1096

Colors that go with #214be4

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 →

#e4b921

#21ace4 · #5821e4

#e4214b · #4be421

Split-complementary

Open in tool →

#e45821 · #ace421

#e421ac · #e4b921 · #21e458

Contrast

#214be4 as textRatioAAAA largeAAAFix
Aaon white
6.58:1passpassfail
  • AAA: use #1b46de as the text (7.05:1)
Aaon black
3.19:1failpassfail
  • AA: use #496ce9 as the text (4.6:1)
  • AAA: use #7791ee as the text (7.07:1)
  • AA: or shift the background to #d6d6d6 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #214be4 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#214be4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #214be4
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 #214be4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/214be4-9ca0c4-df7a4e-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