Color

#1d84aa

#1d84aa
hex#1d84aa
rgbrgb(29, 132, 170)
hslhsl(196, 71%, 39%)
oklchoklch(0.575 0.105 228.8)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.1967

Colors that go with #1d84aa

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 #1d84aa

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa421d

#1daa89 · #1d3eaa

#aa1d84 · #84aa1d

Split-complementary

Open in tool →

#aa1d3e · #aa891d

#891daa · #aa421d · #3eaa1d

Contrast

#1d84aa as textRatioAAAA largeAAAFix
Aaon white
4.26:1failpassfail
  • AA: use #1b7ea1 as the text (4.62:1)
  • AAA: use #155f7a as the text (7.12:1)
  • AA: or shift the background to #0f0f0f (4.5:1)
Aaon black
4.93:1passpassfail
  • AAA: use #23a3d1 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d84aa as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1d84aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d84aa
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 #1d84aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d84aa-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