Color

#dc040c

#dc040c
hex#dc040c
rgbrgb(220, 4, 12)
hslhsl(358, 96%, 44%)
oklchoklch(0.563 0.229 28.5)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1533

Tints & shades

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

Harmonies

Complementary

Open in tool →

#04dcd5

#dc0477 · #dc6904

#0cdc04 · #040cdc

Split-complementary

Open in tool →

#04dc69 · #0477dc

#77dc04 · #04dcd5 · #6904dc

Contrast

#dc040c as textRatioAAAA largeAAAFix
Aaon white
5.17:1passpassfail
  • AAA: use #b4040a as the text (7.09:1)
Aaon black
4.07:1failpassfail
  • AA: use #eb050c as the text (4.56:1)
  • AAA: use #fc6469 as the text (7.17:1)
  • 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 #dc040c as the background.

Brands using this color

Fonts for this mood

#dc040c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #dc040c
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 #dc040c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/dc040c-c49f9c-62cb95-2d251f-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