Color

#ff554d

#ff554d
hex#ff554d
rgbrgb(255, 85, 77)
hslhsl(3, 100%, 65%)
oklchoklch(0.681 0.207 26.8)
Closest name: Blood Burst (#ff474c)Relative luminance 0.2829

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4df6ff

#ff4d9d · #ffaf4d

#4dff55 · #554dff

Split-complementary

Open in tool →

#4dffaf · #4d9dff

#9dff4d · #4df6ff · #af4dff

Contrast

#ff554d as textRatioAAAA largeAAAFix
Aaon white
3.15:1failpassfail
  • AA: use #eb0c00 as the text (4.58:1)
  • AAA: use #b30900 as the text (7.1:1)
  • AA: or shift the background to #292929 (4.61:1)
Aaon black
6.66:1passpassfail
  • AAA: use #ff5f57 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff554d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ff554d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff554d
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 #ff554d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff554d-c4a39c-62cb9d-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