Color

#285257

#285257
hex#285257
rgbrgb(40, 82, 87)
hslhsl(186, 37%, 25%)
oklchoklch(0.411 0.048 205.6)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0717

Colors that go with #285257

Steel Blue, Teal and Rust 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 →

#572d28

#285744 · #283b57

#572853 · #535728

Split-complementary

Open in tool →

#57283b · #574428

#442857 · #572d28 · #3b5728

Contrast

#285257 as textRatioAAAA largeAAAFix
Aaon white
8.63:1passpasspassPasses AAA — no fix needed.
Aaon black
2.43:1failfailfail
  • AA: use #3d7e85 as the text (4.52:1)
  • AAA: use #4fa2ab as the text (7.09:1)
  • AA: or shift the background to #bdbdbd (4.59:1)
  • AAA: or shift the background to #e8e8e8 (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 #285257 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

#285257 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #285257
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 #285257 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/285257-a2b8be-df4e86-1f262d-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