Color

#eb001b

#eb001b
hex#eb001b
rgbrgb(235, 0, 27)
hslhsl(353, 100%, 46%)
oklchoklch(0.591 0.241 26.9)
Closest name: Alarm (#ec0003)Relative luminance 0.1774

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00ebcf

#eb0091 · #eb5a00

#1beb00 · #001beb

Split-complementary

Open in tool →

#00eb5a · #0091eb

#91eb00 · #00ebcf · #5a00eb

Contrast

#eb001b as textRatioAAAA largeAAAFix
Aaon white
4.62:1passpassfail
  • AAA: use #b30015 as the text (7.17:1)
Aaon black
4.55:1passpassfail
  • AAA: use #ff5c6f as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #eb001b as the background.

Brands using this color

Fonts for this mood

#eb001b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #eb001b
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 #eb001b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eb001b-c49c9c-62cb8c-2d241f-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