Color

#28052e

#28052e
hex#28052e
rgbrgb(40, 5, 46)
hslhsl(291, 80%, 10%)
oklchoklch(0.207 0.084 321.5)
Closest name: Coal Mine (#220033)Relative luminance 0.0076

Colors that go with #28052e

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 →

#0b2e05

#13052e · #2e0520

#2e2805 · #052e28

Split-complementary

Open in tool →

#202e05 · #052e13

#2e1305 · #0b2e05 · #05202e

Contrast

#28052e as textRatioAAAA largeAAAFix
Aaon white
18.24:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #c319e1 as the text (4.55:1)
  • AAA: use #da68ee as the text (7.2:1)
  • AA: or shift the background to #808080 (4.62:1)
  • AAA: or shift the background to #a1a1a1 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28052e 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

#28052e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28052e
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 #28052e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28052e-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