Color

#2184ab

#2184ab
hex#2184ab
rgbrgb(33, 132, 171)
hslhsl(197, 68%, 40%)
oklchoklch(0.576 0.105 230)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.1977

Colors that go with #2184ab

Charcoal, Copper and Crimson 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 #2184ab

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab4821

#21ab8d · #213fab

#ab2184 · #84ab21

Split-complementary

Open in tool →

#ab213f · #ab8d21

#8d21ab · #ab4821 · #3fab21

Contrast

#2184ab as textRatioAAAA largeAAAFix
Aaon white
4.24:1failpassfail
  • AA: use #1f7da3 as the text (4.65:1)
  • AAA: use #175c78 as the text (7.4:1)
  • AA: or shift the background to #0f0f0f (4.52:1)
Aaon black
4.95:1passpassfail
  • AAA: use #28a2d2 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2184ab as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2184ab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2184ab
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 #2184ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2184ab-9cb4c4-df4e6b-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