Color

#1966b8

#1966b8
hex#1966b8
rgbrgb(25, 102, 184)
hslhsl(211, 76%, 41%)
oklchoklch(0.511 0.148 254.1)
Closest name: Denim (#1560bd)Relative luminance 0.1317

Colors that go with #1966b8

Charcoal, Crimson and Sienna 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 →

#b86b19

#19b5b8 · #1c19b8

#b81966 · #66b819

Split-complementary

Open in tool →

#b81c19 · #b5b819

#b819b5 · #b86b19 · #19b81c

Contrast

#1966b8 as textRatioAAAA largeAAAFix
Aaon white
5.78:1passpassfail
  • AAA: use #1659a2 as the text (7.04:1)
Aaon black
3.63:1failpassfail
  • AA: use #1d75d3 as the text (4.54:1)
  • AAA: use #5099e7 as the text (7.05:1)
  • AA: or shift the background to #e3e3e3 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1966b8 as the background.

Brands using this color

Fonts for this mood

#1966b8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1966b8
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 #1966b8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1966b8-9cabc4-df534e-1f202d-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