Color

#da120b

#da120b
hex#da120b
rgbrgb(218, 18, 11)
hslhsl(2, 90%, 45%)
oklchoklch(0.563 0.224 29.2)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1536

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0bd3da

#da0b6c · #da7a0b

#0bda12 · #120bda

Split-complementary

Open in tool →

#0bda7a · #0b6cda

#6cda0b · #0bd3da · #7a0bda

Contrast

#da120b as textRatioAAAA largeAAAFix
Aaon white
5.16:1passpassfail
  • AAA: use #b30f09 as the text (7.03:1)
Aaon black
4.07:1failpassfail
  • AA: use #e9140c as the text (4.57:1)
  • AAA: use #f76964 as the text (7.16:1)
  • AA: or shift the background to #f0f0f0 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #da120b as the background.

Brands using this color

Fonts for this mood

#da120b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #da120b
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 #da120b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/da120b-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