Color

#ff1428

#ff1428
hex#ff1428
rgbrgb(255, 20, 40)
hslhsl(355, 100%, 54%)
oklchoklch(0.634 0.252 26.2)
Closest name: red (#ff0000)Relative luminance 0.2191

Tints & shades

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

Harmonies

Complementary

Open in tool →

#14ffeb

#ff149d · #ff7614

#28ff14 · #1428ff

Split-complementary

Open in tool →

#14ff76 · #149dff

#9dff14 · #14ffeb · #7614ff

Contrast

#ff1428 as textRatioAAAA largeAAAFix
Aaon white
3.9:1failpassfail
  • AA: use #eb0014 as the text (4.62:1)
  • AAA: use #b3000f as the text (7.18:1)
  • AA: or shift the background to #171717 (4.6:1)
Aaon black
5.38:1passpassfail
  • AAA: use #ff616e as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff1428 as the background.

Brands using this color

Fonts for this mood

#ff1428 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff1428
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 #ff1428 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff1428-c49e9c-62cb8f-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