Color

#fd513a

#fd513a
hex#fd513a
rgbrgb(253, 81, 58)
hslhsl(7, 98%, 61%)
oklchoklch(0.671 0.212 30.8)
Closest name: Blood Burst (#ff474c)Relative luminance 0.2707

Colors that go with #fd513a

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 →

#3ae6fd

#fd3a85 · #fdb23a

#3afd51 · #513afd

Split-complementary

Open in tool →

#3afdb2 · #3a85fd

#85fd3a · #3ae6fd · #b23afd

Contrast

#fd513a as textRatioAAAA largeAAAFix
Aaon white
3.27:1failpassfail
  • AA: use #e81d02 as the text (4.56:1)
  • AAA: use #b11602 as the text (7.04:1)
  • AA: or shift the background to #262626 (4.62:1)
Aaon black
6.41:1passpassfail
  • AAA: use #fd634e as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fd513a as the background.

Brands using this color

Fonts for this mood

#fd513a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fd513a
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 #fd513a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fd513a-c4a59c-62cba4-2d271f-f1e9ec?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