Color

#fd171e

#fd171e
hex#fd171e
rgbrgb(253, 23, 30)
hslhsl(358, 98%, 54%)
oklchoklch(0.63 0.25 27.8)
Closest name: red (#ff0000)Relative luminance 0.2159

Tints & shades

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

Harmonies

Complementary

Open in tool →

#17fdf5

#fd1791 · #fd8217

#1efd17 · #171efd

Split-complementary

Open in tool →

#17fd82 · #1791fd

#91fd17 · #17fdf5 · #8217fd

Contrast

#fd171e as textRatioAAAA largeAAAFix
Aaon white
3.95:1failpassfail
  • AA: use #ed020a as the text (4.55:1)
  • AAA: use #b10208 as the text (7.29:1)
  • AA: or shift the background to #171717 (4.54:1)
Aaon black
5.32:1passpassfail
  • AAA: use #fd6268 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fd171e as the background.

Brands using this color

Fonts for this mood

#fd171e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fd171e
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 #fd171e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fd171e-c49f9c-62cb95-2d251f-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