Color

#ee221b

#ee221b
hex#ee221b
rgbrgb(238, 34, 27)
hslhsl(2, 86%, 52%)
oklchoklch(0.607 0.234 28.9)
Closest name: Assassin’s Red (#f60206)Relative luminance 0.194

Colors that go with #ee221b

Charcoal, Royal Blue and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1be7ee

#ee1b7e · #ee8c1b

#1bee22 · #221bee

Split-complementary

Open in tool →

#1bee8c · #1b7eee

#7eee1b · #1be7ee · #8c1bee

Contrast

#ee221b as textRatioAAAA largeAAAFix
Aaon white
4.3:1failpassfail
  • AA: use #e81911 as the text (4.59:1)
  • AAA: use #af130d as the text (7.19:1)
  • AA: or shift the background to #0d0d0d (4.52:1)
Aaon black
4.88:1passpassfail
  • AAA: use #f46c67 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ee221b as the background.

Brands using this color

Fonts for this mood

#ee221b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ee221b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #ee221b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ee221b-c4a29c-62cb9c-2d261f-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