Color

#af2331

#af2331
hex#af2331
rgbrgb(175, 35, 49)
hslhsl(354, 67%, 41%)
oklchoklch(0.494 0.175 21.8)
Closest name: firebrick (#b22222)Relative luminance 0.1054

Colors that go with #af2331

Royal Blue, Teal and Amber 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#23afa1

#af2377 · #af5b23

#31af23 · #2331af

Split-complementary

Open in tool →

#23af5b · #2377af

#77af23 · #23afa1 · #5b23af

Contrast

#af2331 as textRatioAAAA largeAAAFix
Aaon white
6.76:1passpassfail
  • AAA: use #aa222f as the text (7.05:1)
Aaon black
3.11:1failpassfail
  • AA: use #d73747 as the text (4.53:1)
  • AAA: use #e47782 as the text (7.26:1)
  • AA: or shift the background to #d4d4d4 (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 #af2331 as the background.

Brands using this color

Fonts for this mood

#af2331 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #af2331
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 #af2331 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/af2331-c49d9c-62cb8e-2d241f-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