Color

#fd2b1c

#fd2b1c
hex#fd2b1c
rgbrgb(253, 43, 28)
hslhsl(4, 98%, 55%)
oklchoklch(0.639 0.242 29.6)
Closest name: red (#ff0000)Relative luminance 0.2269

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1ceefd

#fd1c7d · #fd9b1c

#1cfd2b · #2b1cfd

Split-complementary

Open in tool →

#1cfd9b · #1c7dfd

#7dfd1c · #1ceefd · #9b1cfd

Contrast

#fd2b1c as textRatioAAAA largeAAAFix
Aaon white
3.79:1failpassfail
  • AA: use #e81202 as the text (4.65:1)
  • AAA: use #b10d02 as the text (7.17:1)
  • AA: or shift the background to #1a1a1a (4.59:1)
Aaon black
5.54:1passpassfail
  • AAA: use #fd6358 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fd2b1c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fd2b1c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fd2b1c
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 #fd2b1c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fd2b1c-c4a39c-62cb9f-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