Color

#28848a

#28848a
hex#28848a
rgbrgb(40, 132, 138)
hslhsl(184, 55%, 35%)
oklchoklch(0.564 0.084 201.4)
Closest name: darkcyan (#008b8b)Relative luminance 0.1879

Colors that go with #28848a

Charcoal, Crimson 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a2f28

#288a60 · #28538a

#8a2884 · #848a28

Split-complementary

Open in tool →

#8a2853 · #8a6028

#60288a · #8a2f28 · #538a28

Contrast

#28848a as textRatioAAAA largeAAAFix
Aaon white
4.41:1failpassfail
  • AA: use #278086 as the text (4.65:1)
  • AAA: use #1e6267 as the text (7:1)
  • AA: or shift the background to #080808 (4.54:1)
Aaon black
4.76:1passpassfail
  • AAA: use #32a6ae as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28848a as the background.

Brands using this color

Fonts for this mood

#28848a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28848a
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 #28848a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28848a-a2b9be-df4e8a-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