Color

#8b040d

#8b040d
hex#8b040d
rgbrgb(139, 4, 13)
hslhsl(356, 94%, 28%)
oklchoklch(0.402 0.161 27)
Closest name: darkred (#8b0000)Relative luminance 0.056

Tints & shades

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

Harmonies

Complementary

Open in tool →

#048b82

#8b0450 · #8b3e04

#0d8b04 · #040d8b

Split-complementary

Open in tool →

#048b3e · #04508b

#508b04 · #048b82 · #3e048b

Contrast

#8b040d as textRatioAAAA largeAAAFix
Aaon white
9.9:1passpasspassPasses AAA — no fix needed.
Aaon black
2.12:1failfailfail
  • AA: use #e90716 as the text (4.51:1)
  • AAA: use #fa6670 as the text (7.2:1)
  • AA: or shift the background to #b0b0b0 (4.57:1)
  • AAA: or shift the background to #d9d9d9 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8b040d 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

#8b040d reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8b040d
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 #8b040d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8b040d-c49e9c-62cb91-2d241f-f1e9ee?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