Color

#d73333

#d73333
hex#d73333
rgbrgb(215, 51, 51)
hslhsl(0, 67%, 52%)
oklchoklch(0.579 0.201 26.2)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1705

Tints & shades

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

Harmonies

Complementary

Open in tool →

#33d7d7

#d73385 · #d78533

#33d733 · #3333d7

Split-complementary

Open in tool →

#33d785 · #3385d7

#85d733 · #33d7d7 · #8533d7

Contrast

#d73333 as textRatioAAAA largeAAAFix
Aaon white
4.76:1passpassfail
  • AAA: use #aa2222 as the text (7.09:1)
Aaon black
4.41:1failpassfail
  • AA: use #d83b3b as the text (4.61:1)
  • AAA: use #e47777 as the text (7.2:1)
  • AA: or shift the background to #fafafa (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 #d73333 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

#d73333 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d73333
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 #d73333 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d73333-c4a19c-62cb98-2d251f-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