Color

#2d77d2

#2d77d2
hex#2d77d2
rgbrgb(45, 119, 210)
hslhsl(213, 65%, 50%)
oklchoklch(0.571 0.158 255.7)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.184

Colors that go with #2d77d2

Charcoal, Crimson and Copper 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 →

#d2882d

#2dcad2 · #352dd2

#d22d77 · #77d22d

Split-complementary

Open in tool →

#d2352d · #cad22d

#d22dca · #d2882d · #2dd235

Contrast

#2d77d2 as textRatioAAAA largeAAAFix
Aaon white
4.49:1failpassfail
  • AA: use #2c75ce as the text (4.62:1)
  • AAA: use #21589c as the text (7.14:1)
  • AA: or shift the background to #050505 (4.54:1)
Aaon black
4.68:1passpassfail
  • AAA: use #5f98dd 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 #2d77d2 as the background.

Brands using this color

Fonts for this mood

#2d77d2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d77d2
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 #2d77d2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d77d2-9ca9c4-df584e-1f202d-e9f0f1?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