Color

#28010d

#28010d
hex#28010d
rgbrgb(40, 1, 13)
hslhsl(342, 95%, 8%)
oklchoklch(0.18 0.069 5.8)
Closest name: Belladonna (#220011)Relative luminance 0.005

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#01281c

#280120 · #280901

#0d2801 · #010d28

Split-complementary

Open in tool →

#012809 · #012028

#202801 · #01281c · #090128

Contrast

#28010d as textRatioAAAA largeAAAFix
Aaon white
19.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.1:1failfailfail
  • AA: use #ea064a as the text (4.62:1)
  • AAA: use #fb608e as the text (7.17:1)
  • AA: or shift the background to #7d7d7d (4.64:1)
  • AAA: or shift the background to #9e9e9e (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28010d 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

#28010d reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28010d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #28010d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28010d-c49ca3-62cb79-2d211f-f1e9ef?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