Color

#1d76bf

#1d76bf
hex#1d76bf
rgbrgb(29, 118, 191)
hslhsl(207, 74%, 43%)
oklchoklch(0.553 0.139 248.9)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1698

Colors that go with #1d76bf

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 →

#bf661d

#1dbfb7 · #1d25bf

#bf1d76 · #76bf1d

Split-complementary

Open in tool →

#bf1d25 · #bfb71d

#b71dbf · #bf661d · #25bf1d

Contrast

#1d76bf as textRatioAAAA largeAAAFix
Aaon white
4.78:1passpassfail
  • AAA: use #165a92 as the text (7.21:1)
Aaon black
4.4:1failpassfail
  • AA: use #1d79c3 as the text (4.58:1)
  • AAA: use #459ce3 as the text (7.12:1)
  • AA: or shift the background to #fafafa (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d76bf as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1d76bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d76bf
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 #1d76bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d76bf-9cadc4-df4e53-1f212d-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