Color

#285f77

#285f77
hex#285f77
rgbrgb(40, 95, 119)
hslhsl(198, 50%, 31%)
oklchoklch(0.459 0.069 229.6)
Closest name: Atlantis (#336172)Relative luminance 0.0997

Colors that go with #285f77

Crimson, Royal Blue and Sienna 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 →

#773f28

#287767 · #283777

#77285f · #5f7728

Split-complementary

Open in tool →

#772837 · #776728

#672877 · #773f28 · #377728

Contrast

#285f77 as textRatioAAAA largeAAAFix
Aaon white
7.02:1passpasspassPasses AAA — no fix needed.
Aaon black
2.99:1failfailfail
  • AA: use #347d9d as the text (4.57:1)
  • AAA: use #4b9fc3 as the text (7.05:1)
  • AA: or shift the background to #cfcfcf (4.5:1)
  • AAA: or shift the background to #ffffff (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #285f77 as the background.

Brands using this color

Fonts for this mood

#285f77 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #285f77
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 #285f77 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/285f77-9cb3c4-df4e69-1f232d-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