Color

#284d41

#284d41
hex#284d41
rgbrgb(40, 77, 65)
hslhsl(161, 32%, 23%)
oklchoklch(0.389 0.048 170.7)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0614

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#4d2834

#284d2f · #28474d

#42284d · #4d4228

Split-complementary

Open in tool →

#4d2847 · #4d2f28

#2f284d · #4d2834 · #474d28

Contrast

#284d41 as textRatioAAAA largeAAAFix
Aaon white
9.43:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #42806c as the text (4.54:1)
  • AAA: use #55a58c as the text (7.15:1)
  • 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 #284d41 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#284d41 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #284d41
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #284d41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/284d41-a2beb8-d459bb-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