Color

#af3323

#af3323
hex#af3323
rgbrgb(175, 51, 35)
hslhsl(7, 67%, 41%)
oklchoklch(0.507 0.163 30.7)
Closest name: firebrick (#b22222)Relative luminance 0.116

Colors that go with #af3323

Royal Blue, Sea Green and Steel Blue 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.

Real palettes that use #af3323

Tints & shades

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

Harmonies

Complementary

Open in tool →

#239eaf

#af2358 · #af7923

#23af33 · #3323af

Split-complementary

Open in tool →

#23af79 · #2358af

#58af23 · #239eaf · #7923af

Contrast

#af3323 as textRatioAAAA largeAAAFix
Aaon white
6.32:1passpassfail
  • AAA: use #a22f20 as the text (7.09:1)
Aaon black
3.32:1failpassfail
  • AA: use #d53e2a as the text (4.55:1)
  • AAA: use #e2786a as the text (7.13:1)
  • 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 #af3323 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#af3323 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #af3323
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 #af3323 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/af3323-c4a59c-62cba4-2d271f-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