Color

#e4012f

#e4012f
hex#e4012f
rgbrgb(228, 1, 47)
hslhsl(348, 99%, 45%)
oklchoklch(0.58 0.234 23.1)
Closest name: crimson (#dc143c)Relative luminance 0.1672

Tints & shades

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

Harmonies

Complementary

Open in tool →

#01e4b7

#e401a0 · #e44501

#2fe401 · #012fe4

Split-complementary

Open in tool →

#01e445 · #01a0e4

#a0e401 · #01e4b7 · #4501e4

Contrast

#e4012f as textRatioAAAA largeAAAFix
Aaon white
4.83:1passpassfail
  • AAA: use #b20124 as the text (7.18:1)
Aaon black
4.34:1failpassfail
  • AA: use #e90130 as the text (4.51:1)
  • AAA: use #fe5d7d as the text (7.08:1)
  • AA: or shift the background to #f7f7f7 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e4012f as the background.

Brands using this color

Fonts for this mood

#e4012f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e4012f
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 #e4012f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e4012f-c49c9f-62cb83-2d231f-f1e9ef?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