Color

#db0000

#db0000
hex#db0000
rgbrgb(219, 0, 0)
hslhsl(0, 100%, 43%)
oklchoklch(0.56 0.23 29.2)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1506

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00dbdb

#db006e · #db6e00

#00db00 · #0000db

Split-complementary

Open in tool →

#00db6e · #006edb

#6edb00 · #00dbdb · #6e00db

Contrast

#db0000 as textRatioAAAA largeAAAFix
Aaon white
5.23:1passpassfail
  • AAA: use #b30000 as the text (7.2:1)
Aaon black
4.01:1failpassfail
  • AA: use #eb0000 as the text (4.53:1)
  • AAA: use #ff6161 as the text (7.13:1)
  • AA: or shift the background to #f0f0f0 (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 #db0000 as the background.

Brands using this color

Fonts for this mood

#db0000 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #db0000
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 #db0000 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/db0000-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