Color

#f00528

#f00528
hex#f00528
rgbrgb(240, 5, 40)
hslhsl(351, 96%, 48%)
oklchoklch(0.603 0.243 25.2)
Closest name: Barberry (#ee1133)Relative luminance 0.1879

Tints & shades

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

Harmonies

Complementary

Open in tool →

#05f0cd

#f0059e · #f05705

#28f005 · #0528f0

Split-complementary

Open in tool →

#05f057 · #059ef0

#9ef005 · #05f0cd · #5705f0

Contrast

#f00528 as textRatioAAAA largeAAAFix
Aaon white
4.41:1failpassfail
  • AA: use #eb0527 as the text (4.58:1)
  • AAA: use #b4041e as the text (7.05:1)
  • AA: or shift the background to #080808 (4.54:1)
Aaon black
4.76:1passpassfail
  • AAA: use #fc5f77 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f00528 as the background.

Brands using this color

Fonts for this mood

#f00528 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f00528
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 #f00528 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f00528-c49c9e-62cb89-2d231f-f1e9ee?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