Color

#af0819

#af0819
hex#af0819
rgbrgb(175, 8, 25)
hslhsl(354, 91%, 36%)
oklchoklch(0.477 0.19 25.9)
Closest name: All Systems Red (#b30103)Relative luminance 0.0936

Colors that go with #af0819

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 →

#08af9f

#af086d · #af4b08

#19af08 · #0819af

Split-complementary

Open in tool →

#08af4b · #086daf

#6daf08 · #08af9f · #4b08af

Contrast

#af0819 as textRatioAAAA largeAAAFix
Aaon white
7.31:1passpasspassPasses AAA — no fix needed.
Aaon black
2.87:1failfailfail
  • AA: use #ea0b21 as the text (4.57:1)
  • AAA: use #f86372 as the text (7.02:1)
  • AA: or shift the background to #cccccc (4.55:1)
  • AAA: or shift the background to #fafafa (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #af0819 as the background.

Brands using this color

Fonts for this mood

#af0819 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #af0819
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 #af0819 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/af0819-c49d9c-62cb8e-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