Color

#a80b18

#a80b18
hex#a80b18
rgbrgb(168, 11, 24)
hslhsl(355, 88%, 35%)
oklchoklch(0.464 0.183 26)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0863

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0ba89b

#a80b66 · #a84c0b

#18a80b · #0b18a8

Split-complementary

Open in tool →

#0ba84c · #0b66a8

#66a80b · #0ba89b · #4c0ba8

Contrast

#a80b18 as textRatioAAAA largeAAAFix
Aaon white
7.7:1passpasspassPasses AAA — no fix needed.
Aaon black
2.73:1failfailfail
  • AA: use #eb0f21 as the text (4.62:1)
  • AAA: use #f56672 as the text (7.03:1)
  • AA: or shift the background to #c7c7c7 (4.56:1)
  • AAA: or shift the background to #f5f5f5 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a80b18 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

#a80b18 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a80b18
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 #a80b18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a80b18-c49e9c-62cb8f-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