Color

#284877

#284877
hex#284877
rgbrgb(40, 72, 119)
hslhsl(216, 50%, 31%)
oklchoklch(0.402 0.088 258)
Closest name: Blue Funk (#2d4470)Relative luminance 0.0642

Colors that go with #284877

Teal, Blue and Cadet Blue 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 →

#775728

#286f77 · #2f2877

#772847 · #477728

Split-complementary

Open in tool →

#772f28 · #6f7728

#77286f · #775728 · #28772f

Contrast

#284877 as textRatioAAAA largeAAAFix
Aaon white
9.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #4476c1 as the text (4.61:1)
  • AAA: use #7197d0 as the text (7.04:1)
  • AA: or shift the background to #b8b8b8 (4.64:1)
  • AAA: or shift the background to #e3e3e3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #284877 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#284877 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #284877
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 #284877 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/284877-9ca7c4-df5f4e-201f2d-e9f0f1?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