Color

#a81024

#a81024
hex#a81024
rgbrgb(168, 16, 36)
hslhsl(352, 83%, 36%)
oklchoklch(0.468 0.18 23.1)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0882

Tints & shades

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

Harmonies

Complementary

Open in tool →

#10a894

#a81070 · #a84710

#24a810 · #1024a8

Split-complementary

Open in tool →

#10a847 · #1070a8

#70a810 · #10a894 · #4710a8

Contrast

#a81024 as textRatioAAAA largeAAAFix
Aaon white
7.6:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #e91632 as the text (4.63:1)
  • AAA: use #f16a7c as the text (7.09:1)
  • AA: or shift the background to #c9c9c9 (4.59:1)
  • AAA: or shift the background to #f7f7f7 (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 #a81024 as the background.

Brands using this color

Fonts for this mood

#a81024 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a81024
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 #a81024 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a81024-c49c9d-62cb8a-2d231f-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