Color

#d52a2a

#d52a2a
hex#d52a2a
rgbrgb(213, 42, 42)
hslhsl(0, 67%, 50%)
oklchoklch(0.567 0.206 26.9)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1597

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2ad5d5

#d52a80 · #d5802a

#2ad52a · #2a2ad5

Split-complementary

Open in tool →

#2ad580 · #2a80d5

#80d52a · #2ad5d5 · #802ad5

Contrast

#d52a2a as textRatioAAAA largeAAAFix
Aaon white
5.01:1passpassfail
  • AAA: use #aa2222 as the text (7.09:1)
Aaon black
4.19:1failpassfail
  • AA: use #d83b3b as the text (4.61:1)
  • AAA: use #e47777 as the text (7.2:1)
  • AA: or shift the background to #f5f5f5 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d52a2a as the background.

Brands using this color

Fonts for this mood

#d52a2a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d52a2a
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 #d52a2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d52a2a-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