Color

#284d40

#284d40
hex#284d40
rgbrgb(40, 77, 64)
hslhsl(159, 32%, 23%)
oklchoklch(0.388 0.049 169)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0613

Colors that go with #284d40

Teal, Blue and Blush Pink 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 →

#4d2835

#284d2e · #28484d

#40284d · #4d4028

Split-complementary

Open in tool →

#4d2848 · #4d2e28

#2e284d · #4d2835 · #484d28

Contrast

#284d40 as textRatioAAAA largeAAAFix
Aaon white
9.43:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #42806a as the text (4.53:1)
  • AAA: use #55a589 as the text (7.13:1)
  • AA: or shift the background to #b5b5b5 (4.6:1)
  • AAA: or shift the background to #dedede (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #284d40 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#284d40 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #284d40
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 #284d40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/284d40-a2beb8-d459c0-1f2c2d-e9f1eb?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