Color

#fd2b35

#fd2b35
hex#fd2b35
rgbrgb(253, 43, 53)
hslhsl(357, 98%, 58%)
oklchoklch(0.641 0.24 25.6)
Closest name: red (#ff0000)Relative luminance 0.2287

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2bfdf2

#fd2b9e · #fd892b

#35fd2b · #2b35fd

Split-complementary

Open in tool →

#2bfd89 · #2b9efd

#9efd2b · #2bfdf2 · #892bfd

Contrast

#fd2b35 as textRatioAAAA largeAAAFix
Aaon white
3.77:1failpassfail
  • AA: use #ed020e as the text (4.55:1)
  • AAA: use #b1020b as the text (7.28:1)
  • AA: or shift the background to #1c1c1c (4.52:1)
Aaon black
5.57:1passpassfail
  • AAA: use #fd626a as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fd2b35 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#fd2b35 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fd2b35
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 #fd2b35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fd2b35-c49f9c-62cb93-2d251f-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