Color

#216dca

#216dca
hex#216dca
rgbrgb(33, 109, 202)
hslhsl(213, 72%, 46%)
oklchoklch(0.541 0.162 256.1)
Closest name: God of Rain (#4466cc)Relative luminance 0.1552

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ca7e21

#21c1ca · #2921ca

#ca216d · #6dca21

Split-complementary

Open in tool →

#ca2921 · #c1ca21

#ca21c1 · #ca7e21 · #21ca29

Contrast

#216dca as textRatioAAAA largeAAAFix
Aaon white
5.12:1passpassfail
  • AAA: use #1a58a2 as the text (7.09:1)
Aaon black
4.1:1failpassfail
  • AA: use #2374d7 as the text (4.55:1)
  • AAA: use #5d9ae5 as the text (7.22:1)
  • AA: or shift the background to #f2f2f2 (4.57:1)

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

Brands using this color

Fonts for this mood

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

mcpConnect your agent — build around #216dca
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 #216dca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/216dca-9ca9c4-df584e-1f202d-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