Color

#280b2d

#280b2d
hex#280b2d
rgbrgb(40, 11, 45)
hslhsl(291, 61%, 11%)
oklchoklch(0.216 0.072 321.5)
Closest name: Dark Prom Queen (#2b0f2e)Relative luminance 0.0088

Colors that go with #280b2d

Charcoal, Sea Green and Slate 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 →

#102d0b

#170b2d · #2d0b21

#2d280b · #0b2d28

Split-complementary

Open in tool →

#212d0b · #0b2d17

#2d170b · #102d0b · #0b212d

Contrast

#280b2d as textRatioAAAA largeAAAFix
Aaon white
17.86:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #b93acf as the text (4.57:1)
  • AAA: use #cd73dd as the text (7.09:1)
  • AA: or shift the background to #808080 (4.52:1)
  • AAA: or shift the background to #a3a3a3 (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 #280b2d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#280b2d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #280b2d
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 #280b2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/280b2d-bf9fc1-a4cb62-2d1f29-ece9f1?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