Color

#2b77d4

#2b77d4
hex#2b77d4
rgbrgb(43, 119, 212)
hslhsl(213, 66%, 50%)
oklchoklch(0.572 0.161 255.7)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1846

Colors that go with #2b77d4

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 →

#d4882b

#2bcbd4 · #342bd4

#d42b77 · #77d42b

Split-complementary

Open in tool →

#d4342b · #cbd42b

#d42bcb · #d4882b · #2bd434

Contrast

#2b77d4 as textRatioAAAA largeAAAFix
Aaon white
4.48:1failpassfail
  • AA: use #2a75cf as the text (4.62:1)
  • AAA: use #20589d as the text (7.13:1)
  • AA: or shift the background to #050505 (4.55:1)
Aaon black
4.69:1passpassfail
  • AAA: use #5e98de 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 #2b77d4 as the background.

Brands using this color

Fonts for this mood

#2b77d4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b77d4
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 #2b77d4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b77d4-9ca9c4-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