Color

#d4020d

#d4020d
hex#d4020d
rgbrgb(212, 2, 13)
hslhsl(357, 98%, 42%)
oklchoklch(0.547 0.223 28.2)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1407

Tints & shades

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

Harmonies

Complementary

Open in tool →

#02d4ca

#d40276 · #d46102

#0dd402 · #020dd4

Split-complementary

Open in tool →

#02d461 · #0276d4

#76d402 · #02d4ca · #6102d4

Contrast

#d4020d as textRatioAAAA largeAAAFix
Aaon white
5.51:1passpassfail
  • AAA: use #b1020b as the text (7.28:1)
Aaon black
3.81:1failpassfail
  • AA: use #ed020e as the text (4.62:1)
  • AAA: use #fd626a as the text (7.13:1)
  • AA: or shift the background to #ebebeb (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d4020d as the background.

Brands using this color

Fonts for this mood

#d4020d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d4020d
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 #d4020d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d4020d-c49f9c-62cb93-2d251f-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