Color

#d40206

#d40206
hex#d40206
rgbrgb(212, 2, 6)
hslhsl(359, 98%, 42%)
oklchoklch(0.547 0.223 28.8)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1405

Tints & shades

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

Harmonies

Complementary

Open in tool →

#02d4d1

#d4026f · #d46802

#06d402 · #0206d4

Split-complementary

Open in tool →

#02d468 · #026fd4

#6fd402 · #02d4d1 · #6802d4

Contrast

#d40206 as textRatioAAAA largeAAAFix
Aaon white
5.51:1passpassfail
Aaon black
3.81:1failpassfail
  • AA: use #ed0206 as the text (4.61:1)
  • AAA: use #fd6265 as the text (7.11:1)
  • AA: or shift the background to #ebebeb (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d40206 as the background.

Brands using this color

Fonts for this mood

#d40206 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d40206
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 #d40206 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d40206-c4a09c-62cb96-2d251f-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