Color

#ff2f0f

#ff2f0f
hex#ff2f0f
rgbrgb(255, 47, 15)
hslhsl(8, 100%, 53%)
oklchoklch(0.644 0.242 31.3)
Closest name: red (#ff0000)Relative luminance 0.2333

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0fdfff

#ff0f67 · #ffa70f

#0fff2f · #2f0fff

Split-complementary

Open in tool →

#0fffa7 · #0f67ff

#67ff0f · #0fdfff · #a70fff

Contrast

#ff2f0f as textRatioAAAA largeAAAFix
Aaon white
3.71:1failpassfail
  • AA: use #e61f00 as the text (4.6:1)
  • AAA: use #ad1700 as the text (7.24:1)
  • AA: or shift the background to #1c1c1c (4.6:1)
Aaon black
5.67:1passpassfail
  • AAA: use #ff6047 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff2f0f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ff2f0f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff2f0f
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 #ff2f0f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff2f0f-c4a69c-62cba6-2d271f-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