Color

#830f0b

#830f0b
hex#830f0b
rgbrgb(131, 15, 11)
hslhsl(2, 85%, 28%)
oklchoklch(0.391 0.149 28.8)
Closest name: Bloodthirsty (#880011)Relative luminance 0.0519

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b8084

#840b43 · #844b0b

#0b840f · #0f0b84

Split-complementary

Open in tool →

#0b844b · #0b4384

#43840b · #0b8084 · #4b0b84

Contrast

#830f0b as textRatioAAAA largeAAAFix
Aaon white
10.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #e71a13 as the text (4.55:1)
  • AAA: use #f36d68 as the text (7.2:1)
  • AA: or shift the background to #adadad (4.59:1)
  • AAA: or shift the background to #d6d6d6 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #830f0b 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

#830f0b reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #830f0b
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 #830f0b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/830f0b-c4a29c-62cb9c-2d261f-f1e9ed?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