Color

#2c77ba

#2c77ba
hex#2c77ba
rgbrgb(44, 119, 186)
hslhsl(208, 62%, 45%)
oklchoklch(0.556 0.127 249.2)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1727

Colors that go with #2c77ba

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 →

#ba6e2c

#2cbab5 · #2c30ba

#ba2c77 · #77ba2c

Split-complementary

Open in tool →

#ba2c30 · #bab52c

#b52cba · #ba6e2c · #30ba2c

Contrast

#2c77ba as textRatioAAAA largeAAAFix
Aaon white
4.71:1passpassfail
  • AAA: use #215a8c as the text (7.23:1)
Aaon black
4.45:1failpassfail
  • AA: use #2d7abe as the text (4.64:1)
  • AAA: use #569bd7 as the text (7.07:1)
  • AA: or shift the background to #fafafa (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c77ba as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2c77ba reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c77ba
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 #2c77ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c77ba-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