Color

#fd423f

#fd423f
hex#fd423f
rgbrgb(253, 66, 63)
hslhsl(1, 98%, 62%)
oklchoklch(0.658 0.223 26.6)
Closest name: Blood Burst (#ff474c)Relative luminance 0.2514

Colors that go with #fd423f

Charcoal, Cadet Blue and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3ffafd

#fd3f9b · #fda13f

#3ffd42 · #423ffd

Split-complementary

Open in tool →

#3ffda1 · #3f9bfd

#9bfd3f · #3ffafd · #a13ffd

Contrast

#fd423f as textRatioAAAA largeAAAFix
Aaon white
3.48:1failpassfail
  • AA: use #ed0602 as the text (4.54:1)
  • AAA: use #b10502 as the text (7.26:1)
  • AA: or shift the background to #212121 (4.62:1)
Aaon black
6.03:1passpassfail
  • AAA: use #fd605d as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fd423f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fd423f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fd423f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #fd423f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fd423f-c4a19c-62cb9a-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