Color

#216ef2

#216ef2
hex#216ef2
rgbrgb(33, 110, 242)
hslhsl(218, 89%, 54%)
oklchoklch(0.572 0.212 260.7)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1789

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#f2a621

#21d6f2 · #3d21f2

#f2216e · #6ef221

Split-complementary

Open in tool →

#f23d21 · #d6f221

#f221d6 · #f2a621 · #21f23d

Contrast

#216ef2 as textRatioAAAA largeAAAFix
Aaon white
4.59:1passpassfail
  • AAA: use #0c50c6 as the text (7.05:1)
Aaon black
4.58:1passpassfail
  • AAA: use #6097f6 as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #216ef2 as the background.

Brands using this color

Fonts for this mood

#216ef2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #216ef2
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #216ef2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/216ef2-9ca6c4-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