Color

#0280d9

#0280d9
hex#0280d9
rgbrgb(2, 128, 217)
hslhsl(205, 98%, 43%)
oklchoklch(0.589 0.164 249.5)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.2046

Colors that go with #0280d9

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 →

#d95c02

#02d9c7 · #0214d9

#d90280 · #80d902

Split-complementary

Open in tool →

#d90214 · #d9c702

#c702d9 · #d95c02 · #14d902

Contrast

#0280d9 as textRatioAAAA largeAAAFix
Aaon white
4.12:1failpassfail
  • AA: use #0277ca as the text (4.67:1)
  • AAA: use #025997 as the text (7.3:1)
  • AA: or shift the background to #121212 (4.54:1)
Aaon black
5.09:1passpassfail
  • AAA: use #129bfd 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 #0280d9 as the background.

Brands using this color

Fonts for this mood

#0280d9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0280d9
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 #0280d9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0280d9-9cafc4-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