Color

#dc040f

#dc040f
hex#dc040f
rgbrgb(220, 4, 15)
hslhsl(357, 96%, 44%)
oklchoklch(0.563 0.229 28.2)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1534

Colors that go with #dc040f

Charcoal, Royal Blue and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#04dcd1

#dc047b · #dc6504

#0fdc04 · #040fdc

Split-complementary

Open in tool →

#04dc65 · #047bdc

#7bdc04 · #04dcd1 · #6504dc

Contrast

#dc040f as textRatioAAAA largeAAAFix
Aaon white
5.16:1passpassfail
  • AAA: use #b4040c as the text (7.09:1)
Aaon black
4.07:1failpassfail
  • AA: use #eb0510 as the text (4.56:1)
  • AAA: use #fc646c as the text (7.18:1)
  • AA: or shift the background to #f0f0f0 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #dc040f as the background.

Brands using this color

Fonts for this mood

#dc040f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #dc040f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #dc040f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/dc040f-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