Color

#fa0025

#fa0025
hex#fa0025
rgbrgb(250, 0, 37)
hslhsl(351, 100%, 49%)
oklchoklch(0.62 0.252 25.9)
Closest name: Assassin’s Red (#f60206)Relative luminance 0.2046

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00fad4

#fa00a2 · #fa5700

#25fa00 · #0025fa

Split-complementary

Open in tool →

#00fa57 · #00a2fa

#a2fa00 · #00fad4 · #5700fa

Contrast

#fa0025 as textRatioAAAA largeAAAFix
Aaon white
4.12:1failpassfail
  • AA: use #eb0023 as the text (4.61:1)
  • AAA: use #b3001b as the text (7.16:1)
  • AA: or shift the background to #121212 (4.54:1)
Aaon black
5.09:1passpassfail
  • AAA: use #ff5c74 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fa0025 as the background.

Brands using this color

Fonts for this mood

#fa0025 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fa0025
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 #fa0025 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fa0025-c49c9e-62cb89-2d231f-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