Color

#ff3d4d

#ff3d4d
hex#ff3d4d
rgbrgb(255, 61, 77)
hslhsl(355, 100%, 62%)
oklchoklch(0.659 0.228 22.2)
Closest name: Blood Burst (#ff474c)Relative luminance 0.2513

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3dffef

#ff3dae · #ff8e3d

#4dff3d · #3d4dff

Split-complementary

Open in tool →

#3dff8e · #3daeff

#aeff3d · #3dffef · #8e3dff

Contrast

#ff3d4d as textRatioAAAA largeAAAFix
Aaon white
3.48:1failpassfail
  • AA: use #eb0014 as the text (4.62:1)
  • AAA: use #b3000f as the text (7.18:1)
  • AA: or shift the background to #212121 (4.62:1)
Aaon black
6.03:1passpassfail
  • 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 #ff3d4d 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

#ff3d4d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff3d4d
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 #ff3d4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff3d4d-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