Color

#1779cf

#1779cf
hex#1779cf
rgbrgb(23, 121, 207)
hslhsl(208, 80%, 45%)
oklchoklch(0.569 0.157 251.2)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1836

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cf6d17

#17cfc8 · #171dcf

#cf1779 · #79cf17

Split-complementary

Open in tool →

#cf171d · #cfc817

#c817cf · #cf6d17 · #1dcf17

Contrast

#1779cf as textRatioAAAA largeAAAFix
Aaon white
4.49:1failpassfail
  • AA: use #1676ca as the text (4.69:1)
  • AAA: use #115997 as the text (7.24:1)
  • AA: or shift the background to #050505 (4.53:1)
Aaon black
4.67:1passpassfail
  • AAA: use #3e9aea as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1779cf as the background.

Brands using this color

Fonts for this mood

#1779cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1779cf
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1779cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1779cf-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