Color

#1a79bc

#1a79bc
hex#1a79bc
rgbrgb(26, 121, 188)
hslhsl(205, 76%, 42%)
oklchoklch(0.558 0.133 245.8)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1753

Colors that go with #1a79bc

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 →

#bc5e1a

#1abcaf · #1a27bc

#bc1a79 · #79bc1a

Split-complementary

Open in tool →

#bc1a27 · #bcaf1a

#af1abc · #bc5e1a · #27bc1a

Contrast

#1a79bc as textRatioAAAA largeAAAFix
Aaon white
4.66:1passpassfail
  • AAA: use #145c90 as the text (7.09:1)
Aaon black
4.51:1passpassfail
  • AAA: use #3a9de4 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a79bc as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1a79bc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a79bc
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 #1a79bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a79bc-9cafc4-df4e58-1f212d-e9f1f0?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