Color

#ff3f2e

#ff3f2e
hex#ff3f2e
rgbrgb(255, 63, 46)
hslhsl(5, 100%, 59%)
oklchoklch(0.657 0.23 29.7)
Closest name: orangered (#ff4500)Relative luminance 0.2501

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2eeeff

#ff2e85 · #ffa82e

#2eff3f · #3f2eff

Split-complementary

Open in tool →

#2effa8 · #2e85ff

#85ff2e · #2eeeff · #a82eff

Contrast

#ff3f2e as textRatioAAAA largeAAAFix
Aaon white
3.5:1failpassfail
  • AA: use #eb1400 as the text (4.53:1)
  • AAA: use #b30f00 as the text (7.04:1)
  • AA: or shift the background to #212121 (4.6:1)
Aaon black
6:1passpassfail
  • AAA: use #ff6052 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff3f2e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ff3f2e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff3f2e
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 #ff3f2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff3f2e-c4a49c-62cba1-2d261f-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