Color

#a5220d

#a5220d
hex#a5220d
rgbrgb(165, 34, 13)
hslhsl(8, 85%, 35%)
oklchoklch(0.471 0.17 31.7)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0917

Colors that go with #a5220d

Royal Blue, Teal and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0d91a5

#a50d45 · #a56d0d

#0da522 · #220da5

Split-complementary

Open in tool →

#0da56d · #0d45a5

#45a50d · #0d91a5 · #6d0da5

Contrast

#a5220d as textRatioAAAA largeAAAFix
Aaon white
7.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.83:1failfailfail
  • AA: use #e22e12 as the text (4.63:1)
  • AAA: use #f26e5a as the text (7.15:1)
  • AA: or shift the background to #cccccc (4.61:1)
  • AAA: or shift the background to #fafafa (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a5220d as the background.

Brands using this color

Fonts for this mood

#a5220d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a5220d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #a5220d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a5220d-c4a69c-62cba6-2d271f-f1e9ec?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