Color

#219dca

#219dca
hex#219dca
rgbrgb(33, 157, 202)
hslhsl(196, 72%, 46%)
oklchoklch(0.652 0.121 228.8)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.287

Colors that go with #219dca

Charcoal, Orange Red 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.

Real palettes that use #219dca

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ca4e21

#21caa2 · #2148ca

#ca219d · #9dca21

Split-complementary

Open in tool →

#ca2148 · #caa221

#a221ca · #ca4e21 · #48ca21

Contrast

#219dca as textRatioAAAA largeAAAFix
Aaon white
3.12:1failpassfail
  • AA: use #1a7ea2 as the text (4.62:1)
  • AAA: use #145f7b as the text (7.11:1)
  • AA: or shift the background to #2b2b2b (4.54:1)
Aaon black
6.74:1passpassfail
  • AAA: use #22a4d3 as the text (7.32:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #219dca as the background.

Brands using this color

Fonts for this mood

#219dca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #219dca
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 #219dca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/219dca-9cb5c4-df4e6e-1f232d-e9f1ef?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