Color

#da281b

#da281b
hex#da281b
rgbrgb(218, 40, 27)
hslhsl(4, 78%, 48%)
oklchoklch(0.574 0.213 29.6)
Closest name: Angry Tomato (#d82029)Relative luminance 0.165

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1bcdda

#da1b6e · #da871b

#1bda28 · #281bda

Split-complementary

Open in tool →

#1bda87 · #1b6eda

#6eda1b · #1bcdda · #871bda

Contrast

#da281b as textRatioAAAA largeAAAFix
Aaon white
4.88:1passpassfail
  • AAA: use #ac1f15 as the text (7.09:1)
Aaon black
4.3:1failpassfail
  • AA: use #e3291c as the text (4.6:1)
  • AAA: use #ec7269 as the text (7.18:1)
  • AA: or shift the background to #f7f7f7 (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 #da281b as the background.

Brands using this color

Fonts for this mood

#da281b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #da281b
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 #da281b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/da281b-c4a39c-62cb9f-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