Color

#f02427

#f02427
hex#f02427
rgbrgb(240, 36, 39)
hslhsl(359, 87%, 54%)
oklchoklch(0.612 0.233 27.2)
Closest name: Assassin’s Red (#f60206)Relative luminance 0.1993

Tints & shades

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

Harmonies

Complementary

Open in tool →

#24f0ec

#f0248d · #f08624

#27f024 · #2427f0

Split-complementary

Open in tool →

#24f086 · #248df0

#8df024 · #24f0ec · #8624f0

Contrast

#f02427 as textRatioAAAA largeAAAFix
Aaon white
4.21:1failpassfail
  • AA: use #ea1014 as the text (4.58:1)
  • AAA: use #b00c0f as the text (7.23:1)
  • AA: or shift the background to #0f0f0f (4.55:1)
Aaon black
4.99:1passpassfail
  • AAA: use #f56b6d as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f02427 as the background.

Brands using this color

Fonts for this mood

#f02427 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f02427
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 #f02427 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f02427-c4a09c-62cb96-2d251f-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