Color

#0280bb

#0280bb
hex#0280bb
rgbrgb(2, 128, 187)
hslhsl(199, 98%, 37%)
oklchoklch(0.571 0.129 239.4)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1904

Colors that go with #0280bb

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 →

#bb3c02

#02bb99 · #0224bb

#bb0280 · #80bb02

Split-complementary

Open in tool →

#bb0224 · #bb9902

#9902bb · #bb3c02 · #24bb02

Contrast

#0280bb as textRatioAAAA largeAAAFix
Aaon white
4.37:1failpassfail
  • AA: use #027db6 as the text (4.55:1)
  • AAA: use #015e88 as the text (7.1:1)
  • AA: or shift the background to #0a0a0a (4.53:1)
Aaon black
4.81:1passpassfail
  • AAA: use #029fe8 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0280bb as the background.

Brands using this color

Fonts for this mood

#0280bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0280bb
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 #0280bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0280bb-9cb3c4-df4e66-1f232d-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