Color

#284f52

#284f52
hex#284f52
rgbrgb(40, 79, 82)
hslhsl(184, 34%, 24%)
oklchoklch(0.4 0.044 202)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0665

Colors that go with #284f52

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 →

#522b28

#285240 · #283a52

#52284f · #4f5228

Split-complementary

Open in tool →

#52283a · #524028

#402852 · #522b28 · #3a5228

Contrast

#284f52 as textRatioAAAA largeAAAFix
Aaon white
9.01:1passpasspassPasses AAA — no fix needed.
Aaon black
2.33:1failfailfail
  • AA: use #428185 as the text (4.71:1)
  • AAA: use #52a2a7 as the text (7.08:1)
  • AA: or shift the background to #b8b8b8 (4.54:1)
  • AAA: or shift the background to #e3e3e3 (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 #284f52 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

#284f52 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #284f52
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 #284f52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/284f52-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