Color

#af040c

#af040c
hex#af040c
rgbrgb(175, 4, 12)
hslhsl(357, 96%, 35%)
oklchoklch(0.475 0.192 28)
Closest name: All Systems Red (#b30103)Relative luminance 0.0923

Tints & shades

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

Harmonies

Complementary

Open in tool →

#04afa6

#af0462 · #af5104

#0caf04 · #040caf

Split-complementary

Open in tool →

#04af51 · #0462af

#62af04 · #04afa6 · #5104af

Contrast

#af040c as textRatioAAAA largeAAAFix
Aaon white
7.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.85:1failfailfail
  • AA: use #eb0510 as the text (4.56:1)
  • AAA: use #fc646c as the text (7.18:1)
  • AA: or shift the background to #cccccc (4.6:1)
  • AAA: or shift the background to #fafafa (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #af040c as the background.

Brands using this color

Fonts for this mood

#af040c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #af040c
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 #af040c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/af040c-c49f9c-62cb93-2d251f-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