Color

#ff333d

#ff333d
hex#ff333d
rgbrgb(255, 51, 61)
hslhsl(357, 100%, 60%)
oklchoklch(0.65 0.236 24.8)
Closest name: Blood Burst (#ff474c)Relative luminance 0.2396

Tints & shades

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

Harmonies

Complementary

Open in tool →

#33fff5

#ff33a3 · #ff8f33

#3dff33 · #333dff

Split-complementary

Open in tool →

#33ff8f · #33a3ff

#a3ff33 · #33fff5 · #8f33ff

Contrast

#ff333d as textRatioAAAA largeAAAFix
Aaon white
3.63:1failpassfail
  • AA: use #eb000c as the text (4.63:1)
  • AAA: use #b30009 as the text (7.19:1)
  • AA: or shift the background to #1f1f1f (4.55:1)
Aaon black
5.79:1passpassfail
  • AAA: use #ff6169 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 #ff333d 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

#ff333d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff333d
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 #ff333d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff333d-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