Color

#af041a

#af041a
hex#af041a
rgbrgb(175, 4, 26)
hslhsl(352, 96%, 35%)
oklchoklch(0.476 0.191 25.3)
Closest name: All Systems Red (#b30103)Relative luminance 0.0928

Colors that go with #af041a

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 →

#04af98

#af0470 · #af4204

#1aaf04 · #041aaf

Split-complementary

Open in tool →

#04af42 · #0470af

#70af04 · #04af98 · #4204af

Contrast

#af041a as textRatioAAAA largeAAAFix
Aaon white
7.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.86:1failfailfail
  • AA: use #eb0523 as the text (4.58:1)
  • AAA: use #fc5f74 as the text (7.03:1)
  • AA: or shift the background to #cccccc (4.58:1)
  • AAA: or shift the background to #fafafa (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #af041a as the background.

Brands using this color

Fonts for this mood

#af041a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #af041a
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 #af041a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/af041a-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