Color

#28959f

#28959f
hex#28959f
rgbrgb(40, 149, 159)
hslhsl(185, 60%, 39%)
oklchoklch(0.615 0.095 204.2)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2445

Colors that go with #28959f

Charcoal, Copper and Red 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 #28959f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9f3228

#289f6d · #285a9f

#9f2895 · #959f28

Split-complementary

Open in tool →

#9f285a · #9f6d28

#6d289f · #9f3228 · #5a9f28

Contrast

#28959f as textRatioAAAA largeAAAFix
Aaon white
3.57:1failpassfail
  • AA: use #23828b as the text (4.53:1)
  • AAA: use #1a6066 as the text (7.22:1)
  • AA: or shift the background to #212121 (4.52:1)
Aaon black
5.89:1passpassfail
  • AAA: use #2ca4af as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28959f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#28959f reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28959f
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 #28959f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28959f-a2b8be-df4e88-1f262d-e9f1ee?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