Color

#fb2d04

#fb2d04
hex#fb2d04
rgbrgb(251, 45, 4)
hslhsl(10, 97%, 50%)
oklchoklch(0.636 0.241 31.8)
Closest name: Apple Cherry (#f81404)Relative luminance 0.2239

Tints & shades

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

Harmonies

Complementary

Open in tool →

#04d2fb

#fb0456 · #fba904

#04fb2d · #2d04fb

Split-complementary

Open in tool →

#04fba9 · #0456fb

#56fb04 · #04d2fb · #a904fb

Contrast

#fb2d04 as textRatioAAAA largeAAAFix
Aaon white
3.83:1failpassfail
  • AA: use #e22903 as the text (4.61:1)
  • AAA: use #ab1f03 as the text (7.17:1)
  • AA: or shift the background to #1a1a1a (4.54:1)
Aaon black
5.48:1passpassfail
  • AAA: use #fc6445 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 #fb2d04 as the background.

Brands using this color

Fonts for this mood

#fb2d04 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fb2d04
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 #fb2d04 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fb2d04-c4a79c-62cbaa-2d281f-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