Color

#f02400

#f02400
hex#f02400
rgbrgb(240, 36, 0)
hslhsl(9, 100%, 47%)
oklchoklch(0.611 0.236 31.3)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.1979

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00ccf0

#f00054 · #f09c00

#00f024 · #2400f0

Split-complementary

Open in tool →

#00f09c · #0054f0

#54f000 · #00ccf0 · #9c00f0

Contrast

#f02400 as textRatioAAAA largeAAAFix
Aaon white
4.24:1failpassfail
  • AA: use #e62200 as the text (4.57:1)
  • AAA: use #ad1a00 as the text (7.18:1)
  • AA: or shift the background to #0f0f0f (4.53:1)
Aaon black
4.96:1passpassfail
  • AAA: use #ff6347 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f02400 as the background.

Brands using this color

Fonts for this mood

#f02400 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f02400
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 #f02400 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f02400-c4a79c-62cba8-2d271f-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