Color

#af3136

#af3136
hex#af3136
rgbrgb(175, 49, 54)
hslhsl(358, 56%, 44%)
oklchoklch(0.507 0.162 23.1)
Closest name: firebrick (#b22222)Relative luminance 0.1158

Tints & shades

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

Harmonies

Complementary

Open in tool →

#31afab

#af3174 · #af6c31

#36af31 · #3136af

Split-complementary

Open in tool →

#31af6c · #3174af

#74af31 · #31afab · #6c31af

Contrast

#af3136 as textRatioAAAA largeAAAFix
Aaon white
6.33:1passpassfail
  • AAA: use #a32e32 as the text (7.01:1)
Aaon black
3.32:1failpassfail
  • AA: use #cb484c as the text (4.57:1)
  • AAA: use #da7c7f as the text (7.17:1)
  • AA: or shift the background to #dbdbdb (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #af3136 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#af3136 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #af3136
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 #af3136 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/af3136-c49f9c-62cb95-2d251f-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