Color

#ff002f

#ff002f
hex#ff002f
rgbrgb(255, 0, 47)
hslhsl(349, 100%, 50%)
oklchoklch(0.63 0.255 24.4)
Closest name: red (#ff0000)Relative luminance 0.2147

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00ffd0

#ff00ae · #ff5100

#2fff00 · #002fff

Split-complementary

Open in tool →

#00ff51 · #00aeff

#aeff00 · #00ffd0 · #5100ff

Contrast

#ff002f as textRatioAAAA largeAAAFix
Aaon white
3.97:1failpassfail
  • AA: use #eb002b as the text (4.6:1)
  • AAA: use #b30021 as the text (7.15:1)
  • AA: or shift the background to #171717 (4.52:1)
Aaon black
5.29:1passpassfail
  • AAA: use #ff5c7a as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff002f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#ff002f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff002f
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 #ff002f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff002f-c49c9f-62cb85-2d231f-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