Color

#da211b

#da211b
hex#da211b
rgbrgb(218, 33, 27)
hslhsl(2, 78%, 48%)
oklchoklch(0.57 0.217 28.7)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1607

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1bd4da

#da1b74 · #da811b

#1bda21 · #211bda

Split-complementary

Open in tool →

#1bda81 · #1b74da

#74da1b · #1bd4da · #811bda

Contrast

#da211b as textRatioAAAA largeAAAFix
Aaon white
4.98:1passpassfail
  • AAA: use #ac1a15 as the text (7.21:1)
Aaon black
4.21:1failpassfail
  • AA: use #e3231c as the text (4.52:1)
  • AAA: use #ec6e69 as the text (7:1)
  • AA: or shift the background to #f5f5f5 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #da211b as the background.

Brands using this color

Fonts for this mood

#da211b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #da211b
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 #da211b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/da211b-c4a29c-62cb9c-2d261f-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