Color

#fa1505

#fa1505
hex#fa1505
rgbrgb(250, 21, 5)
hslhsl(4, 96%, 50%)
oklchoklch(0.623 0.249 29.7)
Closest name: Apple Cherry (#f81404)Relative luminance 0.2087

Tints & shades

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

Harmonies

Complementary

Open in tool →

#05eafa

#fa056f · #fa9005

#05fa15 · #1505fa

Split-complementary

Open in tool →

#05fa90 · #056ffa

#6ffa05 · #05eafa · #9005fa

Contrast

#fa1505 as textRatioAAAA largeAAAFix
Aaon white
4.06:1failpassfail
  • AA: use #eb1405 as the text (4.53:1)
  • AAA: use #af0f04 as the text (7.26:1)
  • AA: or shift the background to #141414 (4.54:1)
Aaon black
5.17:1passpassfail
  • AAA: use #fc655a as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fa1505 as the background.

Brands using this color

Fonts for this mood

#fa1505 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fa1505
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 #fa1505 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fa1505-c4a39c-62cb9f-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