Color

#ee1111

#ee1111
hex#ee1111
rgbrgb(238, 17, 17)
hslhsl(0, 87%, 50%)
oklchoklch(0.6 0.24 28.7)
Closest name: Alarm (#ec0003)Relative luminance 0.1862

Tints & shades

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

Harmonies

Complementary

Open in tool →

#11eeee

#ee1180 · #ee8011

#11ee11 · #1111ee

Split-complementary

Open in tool →

#11ee80 · #1180ee

#80ee11 · #11eeee · #8011ee

Contrast

#ee1111 as textRatioAAAA largeAAAFix
Aaon white
4.45:1failpassfail
  • AA: use #ea1010 as the text (4.59:1)
  • AAA: use #b00c0c as the text (7.23:1)
  • AA: or shift the background to #080808 (4.5:1)
Aaon black
4.72:1passpassfail
  • AAA: use #f56b6b as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ee1111 as the background.

Brands using this color

Fonts for this mood

#ee1111 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ee1111
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 #ee1111 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ee1111-c4a19c-62cb98-2d251f-f1e9ed?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