Color

#28a0bd

#28a0bd
hex#28a0bd
rgbrgb(40, 160, 189)
hslhsl(192, 65%, 45%)
oklchoklch(0.655 0.108 218.5)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2927

Colors that go with #28a0bd

Charcoal, Orange Red and Amber 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.

Real palettes that use #28a0bd

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#bd4628

#28bd91 · #2855bd

#bd28a0 · #a0bd28

Split-complementary

Open in tool →

#bd2855 · #bd9128

#9128bd · #bd4628 · #55bd28

Contrast

#28a0bd as textRatioAAAA largeAAAFix
Aaon white
3.06:1failpassfail
  • AA: use #208097 as the text (4.57:1)
  • AAA: use #186072 as the text (7.11:1)
  • AA: or shift the background to #2b2b2b (4.62:1)
Aaon black
6.85:1passpassfail
  • AAA: use #29a3c2 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28a0bd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#28a0bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28a0bd
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 #28a0bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28a0bd-a2b5be-df4e77-1f242d-e9f1ef?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