Color

#281c2c

#281c2c
hex#281c2c
rgbrgb(40, 28, 44)
hslhsl(285, 22%, 14%)
oklchoklch(0.248 0.034 317.5)
Closest name: Black Velvet (#222233)Relative luminance 0.0146

Colors that go with #281c2c

Charcoal, Dark Olive Green and Sea Green 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 →

#202c1c

#201c2c · #2c1c28

#2c281c · #1c2c28

Split-complementary

Open in tool →

#282c1c · #1c2c20

#2c201c · #202c1c · #1c282c

Contrast

#281c2c as textRatioAAAA largeAAAFix
Aaon white
16.25:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #90679e as the text (4.62:1)
  • AAA: use #ab8cb5 as the text (7.15:1)
  • AA: or shift the background to #878787 (4.52:1)
  • AAA: or shift the background to #ababab (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #281c2c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#281c2c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281c2c
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 #281c2c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281c2c-bc9fc1-afcb62-2d1f2b-ebe9f1?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