Color

#28272a

#28272a
hex#28272a
rgbrgb(40, 39, 42)
hslhsl(260, 4%, 16%)
oklchoklch(0.275 0.006 301.2)
Closest name: Anthracite (#28282d)Relative luminance 0.0207

Tints & shades

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

Harmonies

Complementary

Open in tool →

#292a27

#27282a · #2a272a

#2a2827 · #272a28

Split-complementary

Open in tool →

#2a2a27 · #282a27

#2a2728 · #292a27 · #272a2a

Contrast

#28272a as textRatioAAAA largeAAAFix
Aaon white
14.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #76737d as the text (4.52:1)
  • AAA: use #98959d as the text (7.12:1)
  • AA: or shift the background to #8f8f8f (4.59:1)
  • AAA: or shift the background to #b3b3b3 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28272a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#28272a reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28272a
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 #28272a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28272a-a2beb0-c859d4-1f2d2b-eaf1e9?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