Color

#e12205

#e12205
hex#e12205
rgbrgb(225, 34, 5)
hslhsl(8, 96%, 45%)
oklchoklch(0.582 0.224 31)
Closest name: Alarm (#ec0003)Relative luminance 0.1716

Colors that go with #e12205

Charcoal, Royal Blue and Sea Green 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 →

#05c4e1

#e10555 · #e19005

#05e122 · #2205e1

Split-complementary

Open in tool →

#05e190 · #0555e1

#55e105 · #05c4e1 · #9005e1

Contrast

#e12205 as textRatioAAAA largeAAAFix
Aaon white
4.74:1passpassfail
  • AAA: use #af1a04 as the text (7.07:1)
Aaon black
4.43:1failpassfail
  • AA: use #e62305 as the text (4.61:1)
  • AAA: use #fb6750 as the text (7.16:1)
  • AA: or shift the background to #fafafa (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e12205 as the background.

Brands using this color

Fonts for this mood

#e12205 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e12205
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 #e12205 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e12205-c4a69c-62cba6-2d271f-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