Color

#f6331e

#f6331e
hex#f6331e
rgbrgb(246, 51, 30)
hslhsl(6, 92%, 54%)
oklchoklch(0.631 0.231 30.4)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.2205

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1ee0f6

#f61e74 · #f69f1e

#1ef633 · #331ef6

Split-complementary

Open in tool →

#1ef69f · #1e74f6

#74f61e · #1ee0f6 · #9f1ef6

Contrast

#f6331e as textRatioAAAA largeAAAFix
Aaon white
3.88:1failpassfail
  • AA: use #e6200a as the text (4.59:1)
  • AAA: use #b01807 as the text (7.05:1)
  • AA: or shift the background to #171717 (4.62:1)
Aaon black
5.41:1passpassfail
  • AAA: use #f86859 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 #f6331e as the background.

Brands using this color

Fonts for this mood

#f6331e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f6331e
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 #f6331e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f6331e-c4a59c-62cba3-2d271f-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