Color

#910811

#910811
hex#910811
rgbrgb(145, 8, 17)
hslhsl(356, 90%, 30%)
oklchoklch(0.417 0.165 26.6)
Closest name: Brick Red (#8f1402)Relative luminance 0.0623

Tints & shades

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

Harmonies

Complementary

Open in tool →

#089188

#910856 · #914308

#119108 · #081191

Split-complementary

Open in tool →

#089143 · #085691

#569108 · #089188 · #430891

Contrast

#910811 as textRatioAAAA largeAAAFix
Aaon white
9.35:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #e90c1b as the text (4.53:1)
  • AAA: use #f7646e as the text (7:1)
  • AA: or shift the background to #b5b5b5 (4.56:1)
  • AAA: or shift the background to #e0e0e0 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #910811 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

#910811 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #910811
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 #910811 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/910811-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