Color

#ff0f2b

#ff0f2b
hex#ff0f2b
rgbrgb(255, 15, 43)
hslhsl(353, 100%, 53%)
oklchoklch(0.633 0.253 25.5)
Closest name: red (#ff0000)Relative luminance 0.2178

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0fffe3

#ff0fa3 · #ff6b0f

#2bff0f · #0f2bff

Split-complementary

Open in tool →

#0fff6b · #0fa3ff

#a3ff0f · #0fffe3 · #6b0fff

Contrast

#ff0f2b as textRatioAAAA largeAAAFix
Aaon white
3.92:1failpassfail
  • AA: use #eb001b as the text (4.62:1)
  • AAA: use #b30015 as the text (7.17:1)
  • AA: or shift the background to #171717 (4.57:1)
Aaon black
5.36:1passpassfail
  • AAA: use #ff5c6f as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff0f2b as the background.

Brands using this color

Fonts for this mood

#ff0f2b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff0f2b
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 #ff0f2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff0f2b-c49c9c-62cb8c-2d241f-f1e9ee?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