Color

#ff2b24

#ff2b24
hex#ff2b24
rgbrgb(255, 43, 36)
hslhsl(2, 100%, 57%)
oklchoklch(0.643 0.243 28.6)
Closest name: red (#ff0000)Relative luminance 0.2312

Tints & shades

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

Harmonies

Complementary

Open in tool →

#24f8ff

#ff248a · #ff9924

#24ff2b · #2b24ff

Split-complementary

Open in tool →

#24ff99 · #248aff

#8aff24 · #24f8ff · #9924ff

Contrast

#ff2b24 as textRatioAAAA largeAAAFix
Aaon white
3.73:1failpassfail
  • AA: use #eb0800 as the text (4.6:1)
  • AAA: use #b30600 as the text (7.14:1)
  • AA: or shift the background to #1c1c1c (4.56:1)
Aaon black
5.62:1passpassfail
  • AAA: use #ff615c as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff2b24 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ff2b24 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff2b24
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 #ff2b24 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff2b24-c4a29c-62cb9c-2d261f-f1e9ed?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