Color

#1681df

#1681df
hex#1681df
rgbrgb(22, 129, 223)
hslhsl(208, 82%, 48%)
oklchoklch(0.597 0.168 251.6)
Closest name: Blue Jay (#5588dd)Relative luminance 0.212

Colors that go with #1681df

Charcoal, Crimson and Copper 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#df7416

#16dfd8 · #161ddf

#df1681 · #81df16

Split-complementary

Open in tool →

#df161d · #dfd816

#d816df · #df7416 · #1ddf16

Contrast

#1681df as textRatioAAAA largeAAAFix
Aaon white
4.01:1failpassfail
  • AA: use #1476cc as the text (4.67:1)
  • AAA: use #0f5999 as the text (7.22:1)
  • AA: or shift the background to #141414 (4.6:1)
Aaon black
5.24:1passpassfail
  • AAA: use #3c9aec as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1681df as the background.

Brands using this color

Fonts for this mood

#1681df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1681df
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 #1681df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1681df-9cadc4-df4e51-1f212d-e9f1f1?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