Color

#fd2b40

#fd2b40
hex#fd2b40
rgbrgb(253, 43, 64)
hslhsl(354, 98%, 58%)
oklchoklch(0.642 0.239 23.1)
Closest name: Blood Burst (#ff474c)Relative luminance 0.2298

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2bfde8

#fd2ba9 · #fd7f2b

#40fd2b · #2b40fd

Split-complementary

Open in tool →

#2bfd7f · #2ba9fd

#a9fd2b · #2bfde8 · #7f2bfd

Contrast

#fd2b40 as textRatioAAAA largeAAAFix
Aaon white
3.75:1failpassfail
  • AA: use #ed021a as the text (4.54:1)
  • AAA: use #b10213 as the text (7.27:1)
  • AA: or shift the background to #1c1c1c (4.54:1)
Aaon black
5.6:1passpassfail
  • AAA: use #fd6272 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fd2b40 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

#fd2b40 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fd2b40
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 #fd2b40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fd2b40-c49d9c-62cb8e-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