Color

#af301d

#af301d
hex#af301d
rgbrgb(175, 48, 29)
hslhsl(8, 72%, 40%)
oklchoklch(0.503 0.167 31.5)
Closest name: firebrick (#b22222)Relative luminance 0.1132

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1d9caf

#af1d52 · #af7a1d

#1daf30 · #301daf

Split-complementary

Open in tool →

#1daf7a · #1d52af

#52af1d · #1d9caf · #7a1daf

Contrast

#af301d as textRatioAAAA largeAAAFix
Aaon white
6.44:1passpassfail
  • AAA: use #a22d1a as the text (7.18:1)
Aaon black
3.26:1failpassfail
  • AA: use #d73b23 as the text (4.54:1)
  • AAA: use #e67765 as the text (7.19:1)
  • AA: or shift the background to #d9d9d9 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #af301d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#af301d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #af301d
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 #af301d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/af301d-c4a69c-62cba6-2d271f-f1e9ec?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