Color

#a80800

#a80800
hex#a80800
rgbrgb(168, 8, 0)
hslhsl(3, 100%, 33%)
oklchoklch(0.462 0.186 29.9)
Closest name: All Systems Red (#b30103)Relative luminance 0.085

Colors that go with #a80800

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 →

#00a0a8

#a8004c · #a85d00

#00a808 · #0800a8

Split-complementary

Open in tool →

#00a85d · #004ca8

#4ca800 · #00a0a8 · #5d00a8

Contrast

#a80800 as textRatioAAAA largeAAAFix
Aaon white
7.78:1passpasspassPasses AAA — no fix needed.
Aaon black
2.7:1failfailfail
  • AA: use #eb0c00 as the text (4.59:1)
  • AAA: use #ff5f57 as the text (7.03:1)
  • AA: or shift the background to #c7c7c7 (4.6:1)
  • AAA: or shift the background to #f5f5f5 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a80800 as the background.

Brands using this color

Fonts for this mood

#a80800 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a80800
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 #a80800 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a80800-c4a39c-62cb9d-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