Color

#ff401f

#ff401f
hex#ff401f
rgbrgb(255, 64, 31)
hslhsl(9, 100%, 56%)
oklchoklch(0.657 0.231 32.1)
Closest name: orangered (#ff4500)Relative luminance 0.2503

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1fddff

#ff1f6d · #ffb01f

#1fff40 · #401fff

Split-complementary

Open in tool →

#1fffb0 · #1f6dff

#6dff1f · #1fddff · #b01fff

Contrast

#ff401f as textRatioAAAA largeAAAFix
Aaon white
3.5:1failpassfail
  • AA: use #e62200 as the text (4.57:1)
  • AAA: use #ad1a00 as the text (7.18:1)
  • AA: or shift the background to #212121 (4.6:1)
Aaon black
6.01:1passpassfail
  • AAA: use #ff6347 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff401f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ff401f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff401f
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 #ff401f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff401f-c4a79c-62cba8-2d271f-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