Color

#f01400

#f01400
hex#f01400
rgbrgb(240, 20, 0)
hslhsl(5, 100%, 47%)
oklchoklch(0.604 0.242 30)
Closest name: Assassin’s Red (#f60206)Relative luminance 0.1903

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00dcf0

#f00064 · #f08c00

#00f014 · #1400f0

Split-complementary

Open in tool →

#00f08c · #0064f0

#64f000 · #00dcf0 · #8c00f0

Contrast

#f01400 as textRatioAAAA largeAAAFix
Aaon white
4.37:1failpassfail
  • AA: use #eb1400 as the text (4.53:1)
  • AAA: use #b30f00 as the text (7.04:1)
  • AA: or shift the background to #0a0a0a (4.53:1)
Aaon black
4.81:1passpassfail
  • AAA: use #ff6052 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f01400 as the background.

Brands using this color

Fonts for this mood

#f01400 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f01400
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 #f01400 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f01400-c4a49c-62cba1-2d261f-f1e9ec?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