Color

#fe3437

#fe3437
hex#fe3437
rgbrgb(254, 52, 55)
hslhsl(359, 99%, 60%)
oklchoklch(0.648 0.235 26.3)
Closest name: Blood Burst (#ff474c)Relative luminance 0.238

Tints & shades

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

Harmonies

Complementary

Open in tool →

#34fefb

#fe349c · #fe9634

#37fe34 · #3437fe

Split-complementary

Open in tool →

#34fe96 · #349cfe

#9cfe34 · #34fefb · #9634fe

Contrast

#fe3437 as textRatioAAAA largeAAAFix
Aaon white
3.65:1failpassfail
  • AA: use #e90105 as the text (4.7:1)
  • AAA: use #b20104 as the text (7.24:1)
  • AA: or shift the background to #1f1f1f (4.52:1)
Aaon black
5.76:1passpassfail
  • AAA: use #fe6264 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 #fe3437 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fe3437 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fe3437
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 #fe3437 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fe3437-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