Color

#af041d

#af041d
hex#af041d
rgbrgb(175, 4, 29)
hslhsl(351, 96%, 35%)
oklchoklch(0.476 0.191 24.6)
Closest name: All Systems Red (#b30103)Relative luminance 0.0929

Tints & shades

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

Harmonies

Complementary

Open in tool →

#04af95

#af0473 · #af4004

#1daf04 · #041daf

Split-complementary

Open in tool →

#04af40 · #0473af

#73af04 · #04af95 · #4004af

Contrast

#af041d as textRatioAAAA largeAAAFix
Aaon white
7.35:1passpasspassPasses AAA — no fix needed.
Aaon black
2.86:1failfailfail
  • AA: use #eb0527 as the text (4.58:1)
  • AAA: use #fc5f77 as the text (7.04:1)
  • AA: or shift the background to #cccccc (4.58:1)
  • AAA: or shift the background to #fafafa (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #af041d as the background.

Brands using this color

Fonts for this mood

#af041d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #af041d
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 #af041d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/af041d-c49c9e-62cb89-2d231f-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