Color

#281a1a

#281a1a
hex#281a1a
rgbrgb(40, 26, 26)
hslhsl(0, 21%, 13%)
oklchoklch(0.236 0.022 18.9)
Closest name: Dark Orchestra (#251b19)Relative luminance 0.0126

Colors that go with #281a1a

Charcoal, Amber and Blue 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 →

#1a2828

#281a21 · #28211a

#1a281a · #1a1a28

Split-complementary

Open in tool →

#1a2821 · #1a2128

#21281a · #1a2828 · #211a28

Contrast

#281a1a as textRatioAAAA largeAAAFix
Aaon white
16.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #9c6868 as the text (4.59:1)
  • AAA: use #b48d8d as the text (7.14:1)
  • AA: or shift the background to #858585 (4.54:1)
  • AAA: or shift the background to #a8a8a8 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #281a1a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#281a1a reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281a1a
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 #281a1a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281a1a-c4a19c-62cb98-2d251f-f1e9ed?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