Color

#e70407

#e70407
hex#e70407
rgbrgb(231, 4, 7)
hslhsl(359, 97%, 46%)
oklchoklch(0.584 0.238 28.9)
Closest name: Alarm (#ec0003)Relative luminance 0.1709

Colors that go with #e70407

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 →

#04e7e3

#e70479 · #e77204

#07e704 · #0407e7

Split-complementary

Open in tool →

#04e772 · #0479e7

#79e704 · #04e7e3 · #7204e7

Contrast

#e70407 as textRatioAAAA largeAAAFix
Aaon white
4.75:1passpassfail
  • AAA: use #b50306 as the text (7.05:1)
Aaon black
4.42:1failpassfail
  • AA: use #ec0407 as the text (4.59:1)
  • AAA: use #fd6366 as the text (7.15:1)
  • AA: or shift the background to #fafafa (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e70407 as the background.

Brands using this color

Fonts for this mood

#e70407 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e70407
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 #e70407 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e70407-c4a09c-62cb96-2d251f-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