Color

#28032a

#28032a
hex#28032a
rgbrgb(40, 3, 42)
hslhsl(297, 87%, 9%)
oklchoklch(0.201 0.084 325.9)
Closest name: Black Sabbath (#220022)Relative luminance 0.0068

Colors that go with #28032a

Blue Violet, Charcoal and Teal 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 →

#052b03

#15032b · #2b0319

#2b2903 · #032b29

Split-complementary

Open in tool →

#192b03 · #032b15

#2b1503 · #052b03 · #03192b

Contrast

#28032a as textRatioAAAA largeAAAFix
Aaon white
18.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #cd0fd7 as the text (4.65:1)
  • AAA: use #eb53f3 as the text (7.06:1)
  • AA: or shift the background to #808080 (4.68:1)
  • AAA: or shift the background to #a1a1a1 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28032a 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

#28032a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28032a
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 #28032a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28032a-c19fbe-9acb62-2d1f28-ede9f1?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