Color

#f41010

#f41010
hex#f41010
rgbrgb(244, 16, 16)
hslhsl(0, 91%, 51%)
oklchoklch(0.611 0.246 28.8)
Closest name: Assassin’s Red (#f60206)Relative luminance 0.1964

Tints & shades

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

Harmonies

Complementary

Open in tool →

#10f4f4

#f41082 · #f48210

#10f410 · #1010f4

Split-complementary

Open in tool →

#10f482 · #1082f4

#82f410 · #10f4f4 · #8210f4

Contrast

#f41010 as textRatioAAAA largeAAAFix
Aaon white
4.26:1failpassfail
  • AA: use #ea0b0b as the text (4.61:1)
  • AAA: use #b40808 as the text (7.05:1)
  • AA: or shift the background to #0d0d0d (4.56:1)
Aaon black
4.93:1passpassfail
  • AAA: use #f86868 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f41010 as the background.

Brands using this color

Fonts for this mood

#f41010 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f41010
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 #f41010 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f41010-c4a19c-62cb98-2d251f-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